* Clear out some warnings given by gcc 10.

16 files changed, 116 insertions, 135 deletions

diff --git a/alpine/arg.c b/alpine/arg.c
index 72ab064a..a5e54d80 100644
--- a/alpine/arg.c
+++ b/alpine/arg.c
@@ -622,7 +622,7 @@ Loop: while(--ac > 0)
 		      if((str = *++av) != NULL){
 			  if(x.name)
 			     fs_give((void **) &x.name);
-			  x.name = cpystr(str);
+			  x.name = (unsigned char *) cpystr(str);
 		      }
 		  }
 		  else{
diff --git a/alpine/imap.c b/alpine/imap.c
index 6e6ea8cb..85c25029 100644
--- a/alpine/imap.c
+++ b/alpine/imap.c
@@ -1,7 +1,3 @@
-#if !defined(lint) && !defined(DOS)
-static char rcsid[] = "$Id: imap.c 1266 2009-07-14 18:39:12Z hubert@u.washington.edu $";
-#endif
-
 /*
  * ========================================================================
  * Copyright 2013-2020 Eduardo Chappa
@@ -145,8 +141,7 @@ extern XOAUTH2_INFO_S xoauth_default[];
  * c-client for processing. Every c-client application must have its
  * own.
  */
-OAUTH2_S alpine_oauth2_list[] =
-{
+OAUTH2_S alpine_oauth2_list[] = {
   {GMAIL_NAME,
    {"imap.gmail.com", "smtp.gmail.com", NULL, NULL},
    {{"client_id", NULL},
@@ -162,12 +157,12 @@ OAUTH2_S alpine_oauth2_list[] =
     {"state", NULL},
     {"device_code", NULL}	/* not used */
    },
-   {{"GET", "https://accounts.google.com/o/oauth2/auth",	/* authorization address, get access code */
+   {{"GET", (unsigned char *) "https://accounts.google.com/o/oauth2/auth",	/* authorization address, get access code */
 	{OA2_Id, OA2_Scope, OA2_Redirect, OA2_Response, OA2_End, OA2_End, OA2_End}},
     {NULL, NULL, {OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End}},	/* Device Info information, not used */
-    {"POST", "https://accounts.google.com/o/oauth2/token",	/* Address to get refresh token from access code */
+    {"POST", (unsigned char *) "https://accounts.google.com/o/oauth2/token",	/* Address to get refresh token from access code */
 	{OA2_Id, OA2_Secret, OA2_Redirect, OA2_GrantTypeforAccessToken, OA2_Code, OA2_End, OA2_End}},
-    {"POST", "https://accounts.google.com/o/oauth2/token",	/* access token from refresh token */
+    {"POST", (unsigned char *) "https://accounts.google.com/o/oauth2/token",	/* access token from refresh token */
 	{OA2_Id, OA2_Secret, OA2_RefreshToken, OA2_GrantTypefromRefreshToken, OA2_End, OA2_End, OA2_End}}
    },
    {NULL, NULL, NULL, 0, 0, NULL},	/* device_code information */
@@ -196,11 +191,11 @@ OAUTH2_S alpine_oauth2_list[] =
     {"device_code", NULL}		/* only used for frst time set up */
    },
    {{NULL, NULL, {OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End}}, /* Get Access Code, Not used */
-    {"POST", "https://login.microsoftonline.com/\001/oauth2/v2.0/devicecode",	/* first time use and get device code information */
+    {"POST", (unsigned char *) "https://login.microsoftonline.com/\001/oauth2/v2.0/devicecode",	/* first time use and get device code information */
 	{OA2_Id, OA2_Scope, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End}},
-    {"POST", "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get first Refresh Token and Access token  */
+    {"POST", (unsigned char *) "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get first Refresh Token and Access token  */
 	{OA2_Id, OA2_Redirect, OA2_DeviceCode, OA2_End, OA2_End, OA2_End, OA2_End}},
-    {"POST", "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get access token from refresh token */
+    {"POST", (unsigned char *) "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get access token from refresh token */
 	{OA2_Id, OA2_RefreshToken, OA2_Scope, OA2_GrantTypefromRefreshToken, OA2_End, OA2_End, OA2_End}}
    },
    {NULL, NULL, NULL, 0, 0, NULL},	/* device_code information */
@@ -228,12 +223,12 @@ OAUTH2_S alpine_oauth2_list[] =
     {"state", NULL},			/* not used */
     {"device_code", NULL}		/* not used */
    },
-   {{"GET", "https://login.microsoftonline.com/\001/oauth2/v2.0/authorize",	/* Get Access Code */
+   {{"GET", (unsigned char *) "https://login.microsoftonline.com/\001/oauth2/v2.0/authorize",	/* Get Access Code */
 	{OA2_Id, OA2_Scope, OA2_Redirect, OA2_Response, OA2_End, OA2_End, OA2_End}},
     {NULL, NULL, {OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End}}, /* device code, not used */
-    {"POST", "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get first Refresh Token and Access token  */
+    {"POST", (unsigned char *) "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get first Refresh Token and Access token  */
 	{OA2_Id, OA2_Redirect, OA2_Scope, OA2_GrantTypeforAccessToken, OA2_Secret, OA2_Code, OA2_End}},
-    {"POST", "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get access token from refresh token */
+    {"POST", (unsigned char *) "https://login.microsoftonline.com/\001/oauth2/v2.0/token",	/* Get access token from refresh token */
 	{OA2_Id, OA2_RefreshToken, OA2_Scope, OA2_GrantTypefromRefreshToken, OA2_Secret, OA2_End, OA2_End}}
    },
    {NULL, NULL, NULL, 0, 0, NULL},	/* device_code information, not used */
@@ -261,12 +256,12 @@ OAUTH2_S alpine_oauth2_list[] =
     {"state", NULL},			/* used */
     {"device_code", NULL}		/* not used */
    },
-   {{"GET", "https://api.login.yahoo.com/oauth2/request_auth",	/* Get Access Code */
+   {{"GET", (unsigned char *) "https://api.login.yahoo.com/oauth2/request_auth",	/* Get Access Code */
 	{OA2_Id, OA2_Redirect, OA2_Response, OA2_State, OA2_End, OA2_End, OA2_End}},
     {NULL, NULL, {OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End}}, /* device code, not used */
-    {"POST", "https://api.login.yahoo.com/oauth2/get_token",	/* Get first Refresh Token and Access token  */
+    {"POST", (unsigned char *) "https://api.login.yahoo.com/oauth2/get_token",	/* Get first Refresh Token and Access token  */
 	{OA2_Id, OA2_Secret, OA2_Redirect, OA2_Code, OA2_GrantTypeforAccessToken, OA2_End, OA2_End}},
-    {"POST", "https://api.login.yahoo.com/oauth2/get_token",	/* Get access token from refresh token */
+    {"POST", (unsigned char *) "https://api.login.yahoo.com/oauth2/get_token",	/* Get access token from refresh token */
 	{OA2_Id, OA2_Secret, OA2_Redirect, OA2_RefreshToken, OA2_GrantTypefromRefreshToken, OA2_End, OA2_End}}
    },
    {NULL, NULL, NULL, 0, 0, NULL},	/* device_code information, not used */
@@ -294,12 +289,12 @@ OAUTH2_S alpine_oauth2_list[] =
     {"state", NULL},			/* not used */
     {"device_code", NULL}		/* not used */
    },
-   {{"GET", "https://oauth.yandex.com/authorize",	/* Get Access Code */
+   {{"GET", (unsigned char *) "https://oauth.yandex.com/authorize",	/* Get Access Code */
 	{OA2_Id, OA2_Redirect, OA2_Response, OA2_End, OA2_End, OA2_End, OA2_End}},
     {NULL, NULL, {OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End, OA2_End}}, /* device code, not used */
-    {"POST", "https://oauth.yandex.com/token",	/* Get first Refresh Token and Access token  */
+    {"POST", (unsigned char *) "https://oauth.yandex.com/token",	/* Get first Refresh Token and Access token  */
 	{OA2_Id, OA2_Redirect, OA2_GrantTypeforAccessToken, OA2_Secret, OA2_Code, OA2_End, OA2_End}},
-    {"POST", "https://oauth.yandex.com/token",	/* Get access token from refresh token */
+    {"POST", (unsigned char *) "https://oauth.yandex.com/token",	/* Get access token from refresh token */
 	{OA2_Id, OA2_RefreshToken, OA2_GrantTypefromRefreshToken, OA2_Secret, OA2_End, OA2_End, OA2_End}}
    },
    {NULL, NULL, NULL, 0, 0, NULL},	/* device_code information, not used */
@@ -312,7 +307,36 @@ OAUTH2_S alpine_oauth2_list[] =
     0,		/* Cancel refresh token */
     YANDEX_FLAGS /* default flags. For YANDEX this should be set to OA2_AUTHORIZE */
   },
-  { NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0},
+  {NULL, 	/* Name, unsigned char * */
+   {NULL, NULL, NULL, NULL }, /* host and equivalents */
+   {{NULL, NULL},  /* client-id */
+    {NULL, NULL},  /* client-secret */
+    {NULL, NULL},  /* tenant - outlook */
+    {NULL, NULL},  /* access_code, for authorize method */
+    {NULL, NULL},  /* refresh token */
+    {NULL, NULL},  /* scope  */
+    {NULL, NULL},  /* redirect */
+    {NULL, NULL},  /* grant type for access token */
+    {NULL, NULL},  /* grant type from refresh token */
+    {NULL, NULL},  /* response */
+    {NULL, NULL},  /* state */
+    {NULL, NULL}   /* device code */
+   },
+   {{NULL, NULL, {0, 0, 0, 0, 0, 0, 0}}, /* method, server, parameters for authorize */
+    {NULL, NULL, {0, 0, 0, 0, 0, 0, 0}}, /* method, server, parameters for device login */
+    {NULL, NULL, {0, 0, 0, 0, 0, 0, 0}}, /* method, server, parameters for getting refresh token */
+    {NULL, NULL, {0, 0, 0, 0, 0, 0, 0}}  /* method, server, parameters for refreshing access token */
+   },
+   {NULL, NULL, NULL, 0, 0, NULL},	/* device_code information */
+   NULL,				/* access token */
+   NULL,				/* special IMAP ID */
+   0,					/* Hide this */
+   0,					/* expiration time */
+   0,					/* first time */
+   0,					/* require secret */
+   0,					/* cancel refresh token */
+   0					/* flags */
+  }
 };
 
 int
@@ -404,15 +428,15 @@ oauth2_select_flow(char *host)
       int sel, n = 0, j;
 
       for(oa2list = alpine_oauth2_list; oa2list && oa2list->name ;oa2list++)
-           n += strlen(oa2list->name); + 5;       /* number, parenthesis, space */
-      n += 1024;      /* large enough to display to lines of 80 characters in UTF-8 */
+           n += strlen((char *) oa2list->name) + 5;       /* number, parenthesis, space */
+      n += 1024;      /* large enough to display lines of 80 characters in UTF-8 */
       s = fs_get(n*sizeof(char));
       strcpy(s, _("Please select below the authorization flow you would like to follow:"));
       sprintf(s + strlen(s), _("Please select the client-id to use from the following list.\n\n"));
       for(j = 1, oa2list = alpine_oauth2_list; oa2list && oa2list->name ;oa2list++){
          for(i = 0; oa2list && oa2list->host && oa2list->host[i] && strucmp(oa2list->host[i], host); i++);
-	    if(oa2list && oa2list->host && i < OAUTH2_TOT_EQUIV && oa2list->host[i])
-	       sprintf(s + strlen(s), " %d) %.70s\n", j++, oa2list->name);
+	 if(oa2list && oa2list->host && i < OAUTH2_TOT_EQUIV && oa2list->host[i])
+	    sprintf(s + strlen(s), " %d) %.70s\n", j++, oa2list->name);
       }
       display_init_err(s, 0);
 
@@ -472,8 +496,7 @@ void
 oauth2_set_device_info(OAUTH2_S *oa2, char *method)
 {
    char tmp[MAILTMPLEN];
-   char *code;
-   char *name = oa2->name;
+   char *name = (char *) oa2->name;
    int aux_rv_value;
    OAUTH2_DEVICECODE_S *deviceinfo = &oa2->devicecode;
    OAUTH2_DEVICEPROC_S aux_value;
@@ -508,7 +531,7 @@ oauth2_set_device_info(OAUTH2_S *oa2, char *method)
 	}
 	else{
 	   so_puts(in_store, "</P><P>");
-	   so_puts(in_store, deviceinfo->message);
+	   so_puts(in_store, (char *) deviceinfo->message);
 	}
 	so_puts(in_store, _("</P><P> Alpine will try to use your URL Viewers setting to find a browser to open this URL."));
 	sprintf(tmp, _(" When you open this link, you will be sent to %s's servers to complete this process."), name);
@@ -569,9 +592,6 @@ oauth2_set_device_info(OAUTH2_S *oa2, char *method)
 	oauth2_elapsed_done(NULL);
     }
     else{
-	int flags, rc, q_line;
-	/* TRANSLATORS: user needs to input an access code from the server */
-	char prompt[MAILTMPLEN], token[MAILTMPLEN];
 	/*
 	 * If screen hasn't been initialized yet, use want_to.
 	 */
@@ -630,8 +650,6 @@ try_wantto:
 	if(want_to(tmp, 'n', 'x', NO_HELP, WT_NORM) == 'y'){
 	   int rv;
 	   UCS ch;
-	   q_line = -(ps_global->ttyo ? ps_global->ttyo->footer_rows : 3);
-	   flags = OE_APPEND_CURRENT;
 
 	   snprintf(tmp_20k_buf+strlen(tmp_20k_buf), SIZEOF_20KBUF-strlen(tmp_20k_buf),
 		"%s", _("After you are done going through the process described above, press \'y\' to continue, or \'n\' to cancel\n"));
@@ -677,7 +695,7 @@ oauth2_get_access_code(unsigned char *url, char *method, OAUTH2_S *oauth2, int *
 	sprintf(tmp, _("<P>Alpine is attempting to log you into your %s account, using the %s method."), oauth2->name, method),
 	so_puts(in_store, tmp);
 
-        if(strucmp(oauth2->name, GMAIL_NAME) == 0){
+        if(strucmp((char *) oauth2->name, (char *) GMAIL_NAME) == 0){
 	   so_puts(in_store, _(" If this is your first time setting up this type of authentication, please follow the steps below. "));
 	   so_puts(in_store, _("</P><P> First you must register Alpine with Google and create a client-id and client-secret. If you already did that, then you can skip to the authorization step, and continue with the process outlined below."));
 	   so_puts(in_store, _("<UL> "));
@@ -895,12 +913,7 @@ mm_login_oauth2(NETMBX *mb, char *user, char *method,
 	        char *usethisprompt, char *altuserforcache)
 {
     char      *token, tmp[MAILTMPLEN];
-    char      prompt[4*MAILTMPLEN], value[4*MAILTMPLEN], *last;
-    char      defuser[NETMAXUSER];
-    char      hostleadin[80], hostname[200], defubuf[200];
-    char      logleadin[80], pwleadin[50];
-    char     *url_oauth2;
-    char     *tool = NULL;
+    char      prompt[4*MAILTMPLEN];
     char     *OldRefreshToken, *OldAccessToken;
     char     *NewRefreshToken, *NewAccessToken;
     char     *SaveRefreshToken, *SaveAccessToken;
@@ -910,9 +923,7 @@ mm_login_oauth2(NETMBX *mb, char *user, char *method,
        login name), this is just labelling that user name. */
     char     *userlabel = _("USER");
     STRLIST_S hostlist[2], hostlist2[OAUTH2_TOT_EQUIV+1];
-    HelpType  help ;
-    int       len, rc, q_line, flags, i, j;
-    int       oespace, avail, need, save_dont_use;
+    int       len, q_line, flags, i, j;
     int       save_in_init;
     int	      registered;
     int       ChangeAccessToken, ChangeRefreshToken, ChangeExpirationTime;
@@ -967,8 +978,7 @@ mm_login_oauth2(NETMBX *mb, char *user, char *method,
 	else{
 	   flags = OE_APPEND_CURRENT;
 	   sprintf(prompt, "%s: %s - %s: ", hostlabel, mb->orighost, userlabel);
-	   rc = optionally_enter(user, q_line, 0, NETMAXUSER,
-			   prompt, NULL, NO_HELP, &flags);
+	   optionally_enter(user, q_line, 0, NETMAXUSER, prompt, NULL, NO_HELP, &flags);
 	}
 	user[NETMAXUSER-1] = '\0';
    }
@@ -1111,7 +1121,7 @@ mm_login_oauth2(NETMBX *mb, char *user, char *method,
        login->first_time++;
 
     if(login->first_time){	/* count how many authorization methods we support */
-	int nmethods, i, j;
+	int nmethods, j;
 
 	for(nmethods = 0, oa2 = alpine_oauth2_list; oa2 && oa2->name ; oa2++){
 	    for(j = 0; j < OAUTH2_TOT_EQUIV
@@ -1234,7 +1244,7 @@ mm_login_oauth2(NETMBX *mb, char *user, char *method,
 }
 
 IDLIST *
-set_alpine_id(unsigned char *pname, unsigned char *pversion)
+set_alpine_id(char *pname, char *pversion)
 {
    IDLIST *id;
 
@@ -1529,8 +1539,7 @@ mm_login_work(NETMBX *mb, char *user, char **pwd, long int trial,
        (mb->port != ntohs(sv->s_port))){
 	snprintf(non_def_port, sizeof(non_def_port), ":%lu", mb->port);
 	non_def_port[sizeof(non_def_port)-1] = '\0';
-	dprint((9, "mm_login: using non-default port=%s\n",
-		   non_def_port ? non_def_port : "?"));
+	dprint((9, "mm_login: using non-default port=%s\n", non_def_port));
     }
 
     /*
diff --git a/alpine/imap.h b/alpine/imap.h
index 8bf02916..5adf275c 100644
--- a/alpine/imap.h
+++ b/alpine/imap.h
@@ -31,7 +31,7 @@ char   *pine_newsrcquery(MAILSTREAM *, char *, char *);
 int     url_local_certdetails(char *);
 void    pine_sslfailure(char *, char *, unsigned long);
 void	mm_expunged_current(long unsigned int);
-IDLIST *set_alpine_id(unsigned char *, unsigned char *);
+IDLIST *set_alpine_id(char *, char *);
 char   *oauth2_get_access_code(unsigned char *, char *, OAUTH2_S *, int *);
 void    oauth2_set_device_info(OAUTH2_S *, char *);
 int     oauth2_elapsed_done(void *);
diff --git a/alpine/osdep/debuging.c b/alpine/osdep/debuging.c
index a8bee9bd..07e0d371 100644
--- a/alpine/osdep/debuging.c
+++ b/alpine/osdep/debuging.c
@@ -73,7 +73,9 @@ init_debug(void)
     char nbuf[5];
     char newfname[MAXPATH+1], filename[MAXPATH+1], *dfile = NULL;
     char basename[MAXPATH+1];
+#ifdef DEBUGFILEEXT
     struct stat sbuf;
+#endif /* DEBUGFILEEXT */
     int i, fd;
 
     if(!((debug || ps_global->debug_imap || ps_global->debug_tcp || ps_global->debug_http) &&  ps_global->write_debug_file))
diff --git a/alpine/reply.c b/alpine/reply.c
index 7ec610a6..184f9f4a 100644
--- a/alpine/reply.c
+++ b/alpine/reply.c
@@ -106,7 +106,6 @@ reply(struct pine *pine_state, ACTION_S *role_arg)
     REPLY_S     reply;
     void       *msgtext = NULL;
     char       *tmpfix = NULL, *prefix = NULL, *fcc = NULL, *errmsg = NULL;
-    char       *hostpart;
     long        msgno, j, totalm, rflags, *seq = NULL;
     int         i, include_text = 0, times = -1, warned = 0, rv = 0,
 		flags = RSF_QUERY_REPLY_ALL, reply_raw_body = 0;
@@ -1015,9 +1014,8 @@ reply_text_query(struct pine *ps, long int many, ENVELOPE *env, char **prefix)
     int ret, edited = 0, headers = 0;
     static ESCKEY_S compose_style[MAX_REPLY_OPTIONS];
     int	ekey_num;
-    int orig_sf;
 
-    orig_sf = ps->reply.use_flowed = *prefix && **prefix ? (F_OFF(F_QUELL_FLOWED_TEXT, ps)
+    ps->reply.use_flowed = *prefix && **prefix ? (F_OFF(F_QUELL_FLOWED_TEXT, ps)
 		&& F_OFF(F_STRIP_WS_BEFORE_SEND, ps)
 		&& (strcmp(*prefix, "> ") == 0
 			|| strcmp(*prefix, ">") == 0)) : 0;
@@ -1068,8 +1066,6 @@ reply_text_query(struct pine *ps, long int many, ENVELOPE *env, char **prefix)
 	       compose_style[ekey_num++].label = N_("Edit Indent String");
 	    }
 	} else { 	/***** Alternate Reply Menu ********/
-	   unsigned which_help;
-
 	   snprintf(tmp_20k_buf, SIZEOF_20KBUF, _("Include %s%soriginal message%s in Reply (using \"%s%s%s\")? "),
 		(many > 1L) ? comatose(many) : "",
 		(many > 1L) ? " " : "",
@@ -1198,7 +1194,7 @@ reply_text_query(struct pine *ps, long int many, ENVELOPE *env, char **prefix)
 			if(flags & OE_USER_MODIFIED){
 			    fs_give((void **)prefix);
 			    *prefix = removing_quotes(cpystr(buf));
-			    orig_sf = ps->reply.use_flowed = *prefix && **prefix ?
+			    ps->reply.use_flowed = *prefix && **prefix ?
 					(F_OFF(F_QUELL_FLOWED_TEXT, ps)
 					&& F_OFF(F_STRIP_WS_BEFORE_SEND, ps)
 					&& (strcmp(*prefix, "> ") == 0
diff --git a/alpine/smime.c b/alpine/smime.c
index f119f394..37578fc1 100644
--- a/alpine/smime.c
+++ b/alpine/smime.c
@@ -1639,14 +1639,13 @@ void
 smime_manage_certs_init(struct pine *ps, CONF_S **ctmp, CONF_S **first_line, WhichCerts ctype, int fline)
 {
     char            tmp[200];
-    char	   *ext;
     CertList	   *data;
     int		    i;
 
     smime_init();
 
     data = DATACERT(ctype);
-    ext  = EXTCERT(ctype);
+//    ext  = EXTCERT(ctype);
 
     if(data == NULL || RENEWCERT(data))
       renew_cert_data(&data, ctype);
@@ -1711,8 +1710,6 @@ smime_manage_certs_init(struct pine *ps, CONF_S **ctmp, CONF_S **first_line, Whi
 
       for(cl = data, i = 0; cl; cl = cl->next)
 	 if(cl->name){
-	    char *s, *t;
-
 	    new_confline(ctmp);
 	    (*ctmp)->d.s.ctype  = ctype;
 	    (*ctmp)->d.s.deleted = get_cert_deleted(ctype, i);
diff --git a/alpine/xoauth2.h b/alpine/xoauth2.h
index 2abd1fff..6e69c652 100644
--- a/alpine/xoauth2.h
+++ b/alpine/xoauth2.h
@@ -15,25 +15,25 @@
 #ifndef ALPINE_XOAUTH2_INCLUDED
 #define ALPINE_XOAUTH2_INCLUDED
 
-#define GMAIL_NAME "Gmail"
+#define GMAIL_NAME (unsigned char *) "Gmail"
 #define GMAIL_ID "624395471329-0qee3goofj7kbl7hsukou3rqq0igntv1.apps.googleusercontent.com"
 #define GMAIL_SECRET "vwnqVJQrJZpR6JilCfAN5nY7"
 #define GMAIL_TENANT NULL
 #define GMAIL_FLAGS (OA2_AUTHORIZE)
 
-#define OUTLOOK_NAME "Outlook"
+#define OUTLOOK_NAME (unsigned char *) "Outlook"
 #define OUTLOOK_ID   "f21dcaf2-8020-469b-8135-343bfc35d046"
 #define OUTLOOK_SECRET "Tk-DAcEi13-FeSsY_Ja4Y.-MyL66I.wIPt"
 #define OUTLOOK_TENANT "common"
 #define OUTLOOK_FLAGS (OA2_DEVICE)
 
-#define YANDEX_NAME   "Yandex"
+#define YANDEX_NAME  (unsigned char *) "Yandex"
 #define YANDEX_ID     "393578fee26f47858023cf59681882a7"
 #define YANDEX_SECRET "7304c4993583498f8ab63e2f21ad6960"
 #define YANDEX_TENANT NULL
 #define YANDEX_FLAGS (OA2_AUTHORIZE)
 
-#define YAHOO_NAME   "Yahoo!"
+#define YAHOO_NAME   (unsigned char *) "Yahoo!"
 #define YAHOO_ID     "dj0yJmk9RTdyZEQ2TWxGMzV6JmQ9WVdrOWVrTllZbGgyV2tjbWNHbzlNQT09JnM9Y29uc3VtZXJzZWNyZXQmc3Y9MCZ4PTli"
 #define YAHOO_SECRET "3a8b12d51c09b0a5c0733c36d04cd3c69e33baef"
 #define YAHOO_TENANT NULL
diff --git a/alpine/xoauth2conf.c b/alpine/xoauth2conf.c
index 71ecfb32..c62be3b5 100644
--- a/alpine/xoauth2conf.c
+++ b/alpine/xoauth2conf.c
@@ -76,7 +76,7 @@ int
 same_xoauth2_info(XOAUTH2_INFO_S x, XOAUTH2_INFO_S y)
 {
    int rv = 0;
-   if(x.name && y.name && !strcmp(x.name, y.name)
+   if(x.name && y.name && !strcmp((char *) x.name, (char *) y.name)
 	&& x.client_id && y.client_id && !strcmp(x.client_id, y.client_id)
 	&& ((!x.client_secret && !y.client_secret)
 		|| (x.client_secret && y.client_secret && !strcmp(x.client_secret, y.client_secret)))
@@ -125,11 +125,10 @@ xoauth_config_line(XOAUTH2_INFO_S *x)
 {
   size_t n;
   char *rv;
-  int i;
 
   if(x == NULL) return NULL;
 
-  n = strlen(XNAME) + strlen(x->name) + strlen(XID) + strlen(x->client_id)
+  n = strlen(XNAME) + strlen((char *) x->name) + strlen(XID) + strlen(x->client_id)
 	+ strlen(x->client_secret ? XSECRET : "") + strlen(x->client_secret ? x->client_secret : "")
 	+ strlen(x->tenant ? XTENANT : "") + strlen(x->tenant ? x->tenant : "")
 	+ strlen(XUSER) + strlen(x->users ? x->users : "")
@@ -182,8 +181,8 @@ xoauth_info_choice(XOAUTH2_INFO_S **xinfo, char *user)
 	char reply[1024];
 	int sel;
 	for(i = n = 0; xinfo[i] != NULL; i++)
-	   n += strlen(xinfo[i]->client_id); + 5;	/* number, parenthesis, space */
-	n += strlen(xinfo[0]->name) + strlen(user);
+	   n += strlen(xinfo[i]->client_id) + 5;	/* number, parenthesis, space */
+	n += strlen((char *) xinfo[0]->name) + strlen(user);
 	n += 1024;	/* large enough to display to lines of 80 characters in UTF-8 */
 	s = fs_get(n*sizeof(char));
 	sprintf(s, _("Alpine cannot determine which client-id to use for the username <%s> for your %s account. "), user, xinfo[0]->name);
@@ -274,7 +273,7 @@ XOAUTH2_INFO_S *
 oauth2_get_client_info(unsigned char *name, char *user)
 {
   int i, j, matches;
-  char ***alval, **lval;
+  char **lval;
   XOAUTH2_INFO_S *x, **xinfo;
 
   if(name == NULL || *name == '\0' || user == NULL || *user == '\0')
@@ -285,13 +284,13 @@ oauth2_get_client_info(unsigned char *name, char *user)
   lval = ps_global->vars[V_XOAUTH2_INFO].current_val.l;
   for(i = 0; lval && lval[i]; i++){
      x = xoauth_parse_client_info(lval[i]);
-     if(x && x->name && name && !strcmp(x->name, name))
+     if(x && x->name && name && !strcmp((char *) x->name, (char *) name))
 	matches++;
      free_xoauth2_info(&x);
   }
 
   /* if nothing, use the default value */
-  for(i = 0; xoauth_default[i].name != NULL && strcmp(xoauth_default[i].name, name); i++);
+  for(i = 0; xoauth_default[i].name != NULL && strcmp((char *) xoauth_default[i].name, (char *) name); i++);
   if(xoauth_default[i].name) matches++;
 
   if(matches == 0) return NULL;
@@ -303,13 +302,13 @@ oauth2_get_client_info(unsigned char *name, char *user)
   matches = 0;	/* restart the recount, it might go lower! */
   for(i = 0; lval && lval[i]; i++){
      x = xoauth_parse_client_info(lval[i]);
-     if(x && x->name && name && !strcmp(x->name, name)){
+     if(x && x->name && name && !strcmp((char *) x->name, (char *) name)){
 	for(j = 0; xinfo && xinfo[j] && !same_xoauth2_info(*x, *xinfo[j]); j++);
 	if(!xinfo[j]) xinfo[matches++] = copy_xoauth2_info(x);
      }
      free_xoauth2_info(&x);
   }
-  for(i = 0; xoauth_default[i].name != NULL && strcmp(xoauth_default[i].name, name); i++);
+  for(i = 0; xoauth_default[i].name != NULL && strcmp((char *) xoauth_default[i].name, (char *) name); i++);
   for(j = 0; xinfo && xinfo[j] && !same_xoauth2_info(xoauth_default[i], *xinfo[j]); j++);
   if(!xinfo[j]) xinfo[matches++] = copy_xoauth2_info(&xoauth_default[i]);
 
@@ -353,7 +352,7 @@ oauth2_get_client_info(unsigned char *name, char *user)
    /* Once the user chose a client-id, save it so we do not ask again */
    if(x != NULL){
       int n = x->users ? strlen(x->users) + 1 : 0;
-      char ***alval, **l;
+      char ***alval;
 
       fs_resize((void **) &x->users, (n + strlen(user) + 1)*sizeof(char));
       x->users[n > 0 ? n - 1 : 0] = '\0';
@@ -382,7 +381,7 @@ void
 write_xoauth_configuration(struct variable  *v, struct variable **vlist, EditWhich ew)
 {
   int i, k, m, n;
-  XOAUTH2_INFO_S *x = NULL, *y;
+  XOAUTH2_INFO_S *x = NULL;
   char ***alval, **lval, **l;
   char *p;
 
@@ -397,9 +396,9 @@ write_xoauth_configuration(struct variable  *v, struct variable **vlist, EditWhi
   for (i = 0, k = 0; vlist[i] != NULL; i++){
       if(x == NULL){
 	 x = new_xoauth2_info();
-	 x->name = cpystr(vlist[i]->descrip);	/* hack! but makes life so much easier! */
+	 x->name = (unsigned char *) cpystr(vlist[i]->descrip);	/* hack! but makes life so much easier! */
 	 for(m = 0; xoauth_default[m].name != NULL
-		    && strcmp(xoauth_default[m].name, x->name); m++);
+		    && strcmp((char *) xoauth_default[m].name, (char *) x->name); m++);
       }
       if (x->client_id == NULL && !strcmp(vlist[i]->name, XOAUTH2_CLIENT_ID)){
 	 p = PVAL(vlist[i], ew);
@@ -474,7 +473,7 @@ xoauth_parse_client_info(char *lvalp)
 	for(t = s; *t && *t != '"' && *t != ' '; t++);
 	c = *t;
 	*t = '\0';
-	if (*s) x->name = cpystr(s);
+	if (*s) x->name = (unsigned char *) cpystr(s);
 	*t = c;
   } else x->name = NULL;
 
@@ -534,7 +533,7 @@ xoauth_parse_client_info(char *lvalp)
 char **
 xoauth2_conf_dedup_and_merge(char ***alval)
 {
-   int i, j, k, l, n, m;
+   int i, j, l, m;
    char **lval, **rv;
    XOAUTH2_INFO_S *x, *y;
 
@@ -602,7 +601,7 @@ write_xoauth_conf_entry(XOAUTH2_INFO_S *x, XOAUTH2_INFO_S *y, CONF_S **cl, CONF_
 {
    CONF_S *ctmpb = *clb;
    struct variable **varlist;
-   int i, p = *pp;
+   int p = *pp;
    char tmp[1024], tmp2[16];
 
    sprintf(tmp2, "%d", key);
@@ -613,7 +612,7 @@ write_xoauth_conf_entry(XOAUTH2_INFO_S *x, XOAUTH2_INFO_S *y, CONF_S **cl, CONF_
    (*cl)->flags    |= CF_NOSELECT;
    (*cl)->help      = NO_HELP;
    (*cl)->valoffset = 1;
-   (*cl)->value     = cpystr(x->name);
+   (*cl)->value     = cpystr((char *) x->name);
    (*cl)->varname   = NULL;
    (*cl)->varnamep  = ctmpb = *cl;
 
@@ -627,7 +626,7 @@ write_xoauth_conf_entry(XOAUTH2_INFO_S *x, XOAUTH2_INFO_S *y, CONF_S **cl, CONF_
 		&& strcmp(x->client_id, y->client_id) ? cpystr(x->client_id) : NULL;
    varlist[p]->global_val.p = y->client_id ? cpystr(y->client_id) : NULL;
    varlist[p]->dname   = cpystr(tmp2);		/* hack, but makes life easier! */
-   varlist[p]->descrip = cpystr(x->name);	/* hack, but makes life easier! */
+   varlist[p]->descrip = cpystr((char *) x->name);	/* hack, but makes life easier! */
    set_current_val(varlist[p], FALSE, FALSE);
 
    /* Write client-id variable */
@@ -655,7 +654,7 @@ write_xoauth_conf_entry(XOAUTH2_INFO_S *x, XOAUTH2_INFO_S *y, CONF_S **cl, CONF_
 		? cpystr(x->client_secret) : NULL;
      varlist[p]->global_val.p = y->client_secret ? cpystr(y->client_secret) : NULL;
      varlist[p]->dname   = cpystr(tmp2);	/* hack, but makes life easier! */
-     varlist[p]->descrip = cpystr(x->name);	/* hack, but makes life easier! */
+     varlist[p]->descrip = cpystr((char *) x->name);	/* hack, but makes life easier! */
      set_current_val(varlist[p], FALSE, FALSE);
 
      /* Write client-secret variable */
@@ -683,7 +682,7 @@ write_xoauth_conf_entry(XOAUTH2_INFO_S *x, XOAUTH2_INFO_S *y, CONF_S **cl, CONF_
 		? cpystr(x->tenant) : NULL;
      varlist[p]->global_val.p = y->tenant ? cpystr(y->tenant) : NULL;
      varlist[p]->dname   = cpystr(tmp2);	/* hack, but makes life easier! */
-     varlist[p]->descrip = cpystr(x->name);	/* hack, but makes life easier! */
+     varlist[p]->descrip = cpystr((char *) x->name);	/* hack, but makes life easier! */
      set_current_val(varlist[p], FALSE, FALSE);
 
      /* Write client-secret variable */
@@ -710,7 +709,7 @@ write_xoauth_conf_entry(XOAUTH2_INFO_S *x, XOAUTH2_INFO_S *y, CONF_S **cl, CONF_
      varlist[p]->main_user_val.p = cpystr(x->flow);
      varlist[p]->global_val.p = cpystr(x->flow);
      varlist[p]->dname   = cpystr(tmp2);	/* hack, but makes life easier! */
-     varlist[p]->descrip = cpystr(x->name);	/* hack, but makes life easier! */
+     varlist[p]->descrip = cpystr((char *) x->name);	/* hack, but makes life easier! */
      set_current_val(varlist[p], FALSE, FALSE);
 
      /* Write client-secret variable */
@@ -736,7 +735,7 @@ write_xoauth_conf_entry(XOAUTH2_INFO_S *x, XOAUTH2_INFO_S *y, CONF_S **cl, CONF_
    varlist[p]->is_list = 1;
    varlist[p]->main_user_val.l = x->users ? array_to_list(x->users) : NULL;
    varlist[p]->dname   = cpystr(tmp2);		/* hack, but makes life easier! */
-   varlist[p]->descrip = cpystr(x->name);	/* hack, but makes life easier! */
+   varlist[p]->descrip = cpystr((char *) x->name);	/* hack, but makes life easier! */
    set_current_val(varlist[p], FALSE, FALSE);
 
    /* Write user variable */
@@ -785,20 +784,15 @@ void
 alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 {
     struct variable **varlist = NULL;
-    char	    tmp[MAXPATH+1], *pval, **lval, ***alval;
-    char	    *s, *extraname = NULL;
-    char	    *name, *id, *tenant, *secret, **user;
-    char	    *name_lval, *id_lval, *tenant_lval, *secret_lval, *user_lval,
-		    *id_def, *tenant_def, *secret_def;
-    int		    i, j, k, l, p, q, ln = 0, readonly_warning = 0, pos, count_vars;
+    char	    **lval, ***alval;
+    int		    i, j, k, p, ln = 0, readonly_warning = 0, pos, count_vars;
     XTYPES	    m;
     CONF_S	   *ctmpa = NULL, *ctmpb, *first_line;
-    FEATURE_S	   *feature;
     PINERC_S       *prc = NULL;
     OPT_SCREEN_S    screen;
-    int             expose_hidden_config, add_hidden_vars_title = 0;
+    int             expose_hidden_config;
     SAVED_CONFIG_S *vsave;
-    XOAUTH2_INFO_S  x, *y;
+    XOAUTH2_INFO_S  *y;
 
     dprint((3, "--  alpine_xoauth2_configuration --\n"));
 
@@ -842,7 +836,7 @@ alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 
         for(i = 0, count_vars = 0; xoauth_default[i].name != NULL; i++){
 	   /* always start with the default configuration */
-	   for(k = 0, q = 0; lval && lval[k]; k++){
+	   for(k = 0; lval && lval[k]; k++){
 		y = xoauth_parse_client_info(lval[k]);
 		if(same_xoauth2_info(xoauth_default[i], *y))
 		   break;
@@ -855,7 +849,7 @@ alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 	   }
 	   for(k = 0; lval && lval[k]; k++){
 	      y = xoauth_parse_client_info(lval[k]);
-	      if(y && (!y->name || strcmp(y->name, xoauth_default[i].name))){
+	      if(y && (!y->name || strcmp((char *) y->name, (char *) xoauth_default[i].name))){
 		free_xoauth2_info(&y);
 		continue;
 	      }
@@ -879,7 +873,7 @@ alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 
         for(i = 0, p = 0; xoauth_default[i].name != NULL; i++){
 	   /* always start with the default configuration */
-	   for(k = 0, q = 0; lval && lval[k]; k++){
+	   for(k = 0; lval && lval[k]; k++){
 		y = xoauth_parse_client_info(lval[k]);
 		if(same_xoauth2_info(xoauth_default[i], *y))
 		   break;
@@ -889,7 +883,7 @@ alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 	       OAUTH2_S *oa2list;
 	       for(oa2list = alpine_oauth2_list; oa2list && oa2list->name; oa2list++){
 		  if(oa2list->hide) continue;
-		  if(!strcmp(oa2list->name,xoauth_default[i].name)){
+		  if(!strcmp((char *) oa2list->name, (char *) xoauth_default[i].name)){
 		     xoauth_default[i].flow = cpystr(oa2list->server_mthd[0].name ? "Authorize"
                       : (oa2list->server_mthd[1].name ? "Device" : "Unknown"));
 		     write_xoauth_conf_entry(&xoauth_default[i], &xoauth_default[i], &ctmpa, &ctmpb,
@@ -899,11 +893,11 @@ alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 		  }
 	       }
 	   }
-	   for(k = 0, q = 0; lval && lval[k]; k++){
+	   for(k = 0; lval && lval[k]; k++){
 	      OAUTH2_S *oa2list, *oa2;
 
 	      y = xoauth_parse_client_info(lval[k]);
-	      if(y && (!y->name || strcmp(y->name, xoauth_default[i].name))){
+	      if(y && (!y->name || strcmp((char *) y->name, (char *) xoauth_default[i].name))){
 		free_xoauth2_info(&y);
 		continue;
 	      }
@@ -914,7 +908,7 @@ alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 	      if(y->tenant == NULL && xoauth_default[i].tenant != NULL)
 		 y->tenant = cpystr(xoauth_default[i].tenant);
 	      for(oa2 = NULL, oa2list = alpine_oauth2_list; oa2 == NULL && oa2list; oa2list++)
-		 if(!strcmp(oa2list->name, y->name)) oa2 = oa2list;
+		 if(!strcmp((char *) oa2list->name, (char *) y->name)) oa2 = oa2list;
 	      if(oa2 && y->flow == NULL)
 		y->flow = cpystr(oa2->server_mthd[0].name ? "Authorize"
                       : (oa2->server_mthd[1].name ? "Device" : "Unknown"));
@@ -951,7 +945,7 @@ alpine_xoauth2_configuration(struct pine *ps, int edit_exceptions)
 		 if(optionally_enter(service,
                         -(ps_global->ttyo ? FOOTER_ROWS(ps_global) : 3),
                          0, sizeof(service), prompt, NULL, NO_HELP, &flags) == 0){
-		    for(i = 0; xoauth_default[i].name != NULL && strucmp(xoauth_default[i].name, service); i++);
+		    for(i = 0; xoauth_default[i].name != NULL && strucmp((char *) xoauth_default[i].name, service); i++);
 		    if(xoauth_default[i].name == NULL)
 			q_status_message1(SM_ORDER, 3, 3, _("Service %s not known"), service);
 		    else{
diff --git a/pico/display.c b/pico/display.c
index 705dae10..fe92cbd8 100644
--- a/pico/display.c
+++ b/pico/display.c
@@ -425,7 +425,6 @@ update(void)
     int     j;
     int     scroll = 0;
     int     repaint= 0;
-    int	    quoted;
     CELL	     c;
     PCOLORS *pcolors = Pmaster && Pmaster->colors ? Pmaster->colors : Pcolors;
 
@@ -989,12 +988,12 @@ updext(void)
 void
 updatelinecolor (int row, CELL vline[], CELL pline[], short *flags, int len)
 {
-    CELL *cp1, *cp2, *cp3, *cp4, *cp5, *cp6, *cp7;
+    CELL *cp1, *cp2, *cp3, *cp4, *cp5;
     int   nbflag;		/* non-blanks to the right flag? */
     int   cleartoeol = 0;
-    int   in_quote, quote_found = 0, level;
+    int   in_quote, level;
     PCOLORS *pcolors = Pmaster && Pmaster->colors ? Pmaster->colors : Pcolors;
-    COLOR_PAIR *qcolor = NULL, *lastc = NULL, *pcolor = NULL;
+    COLOR_PAIR *lastc = NULL, *pcolor = NULL;
     int first = 1, lastattr = -1, change = 0;
 
     if(pcolors == NULL){
@@ -1585,9 +1584,7 @@ speller_choice(char **sp_list, int *choice)
 	ch_dict = -1;
 
     if(ch_dict < 0){		/* not a choice yet? do one now! */
-	UCS buf[128];
 	int i;
-	char *utf8_prompt;
 	UCS  *ucs4_prompt;
 	EXTRAKEYS    menu_dictionary[] = {
 		{"0", NULL, '0'},
@@ -1608,7 +1605,6 @@ speller_choice(char **sp_list, int *choice)
 	if(cnt < 10)
 	  menu_dictionary[cnt].name = NULL;
 
-	buf[0] = '\0';
 	/* write the prompt in utf8, and let internal functions translate it to ucs4 */
 	ucs4_prompt = utf8_to_ucs4_cpystr(_("Choose Dictionary: "));
 
@@ -1638,7 +1634,6 @@ mlchoose(UCS *prompt, EXTRAKEYS *extras)
     UCS      c;
     UCS      buf[NLINE];
     int      i;
-    int      changed = FALSE;
     int      return_val = 0;
     KEYMENU  menu_choose[12];
     COLOR_PAIR *lastc = NULL;
diff --git a/pico/main.c b/pico/main.c
index 1001edd1..94b60adc 100644
--- a/pico/main.c
+++ b/pico/main.c
@@ -495,10 +495,9 @@ void
 display_color_codes(void)
 {
 #define SPACES "   "
-  int i, j, k, l, a, len, len_entry, row;
+  int i, k, l, a;
   int ncolors;
   COLOR_PAIR *lastc = NULL, *newcp;
-  char *fg;
 
   /* this is the format "SPACE COLORED_SPACES = CODE SPACE" */
   vtterminalinfo(gmode & MDTCAPWINS);
diff --git a/pico/search.c b/pico/search.c
index 282e37e9..387cc2ef 100644
--- a/pico/search.c
+++ b/pico/search.c
@@ -469,7 +469,7 @@ replace_pat(UCS *defpat, int *wrapt, int bsearch)
   char             utf8tmp[NPMT];
   UCS              prompt[NPMT];
   UCS             *promptp;
-  int		   i, flags;
+  int		   flags;
 
     if(bsearch){
 	flags = SR_BACKWRD;
diff --git a/pith/ical.c b/pith/ical.c
index 2d61c00e..7022bb55 100644
--- a/pith/ical.c
+++ b/pith/ical.c
@@ -459,7 +459,6 @@ void
 ical_free_vtimezone(void **vtzpv)
 {
   VTIMEZONE_S **vtzp = (VTIMEZONE_S **) vtzpv;
-  TZ_comp i,j;
 
   if(vtzp == NULL || *vtzp == NULL) return;
 
@@ -487,7 +486,6 @@ void
 ical_free_valarm(void **valarmpv)
 {
   VALARM_S **valarmp = (VALARM_S **) valarmpv;
-  int i, j;
 
   if(valarmp == NULL || *valarmp == NULL) return;
 
@@ -1878,7 +1876,6 @@ ical_set_date(ICLINE_S *icl, VTIMEZONE_S *vtz)
    ICAL_PARAMETER_S *param;
    char *tz = NULL;
    struct tm ic_date;
-   time_t t;
 
    if(icl == NULL) return;
 
@@ -2183,7 +2180,6 @@ ical_vevent_summary(VCALENDAR_S *vcal)
   VEVENT_S *vevent;
   GEN_ICLINE_S *gicl;
   ICLINE_S *icl;
-  char *k;
 
   if(vcal == NULL) return NULL;
 
@@ -2542,13 +2538,13 @@ ical_vevent_summary(VCALENDAR_S *vcal)
 	   }
 	   if(*t == ','){
 		*u = '\0';
-		rv->description[i++] = cpystr(ical_decode(s, vcal->encoding));
+		rv->description[i++] = (unsigned char *) cpystr((char *) ical_decode(s, vcal->encoding));
 		s = u = t+1;
 	   } else
 		*u++ = *t;  
 	}
 	*u = '\0';
-	rv->description[i++] = cpystr(ical_decode(s, vcal->encoding));
+	rv->description[i++] = (unsigned char *) cpystr((char *) ical_decode(s, vcal->encoding));
 	rv->description[i] = NULL;
 	fs_give((void **)&v);
      } /* end of if(description) */
diff --git a/pith/mailview.c b/pith/mailview.c
index c2c7842c..f032a0b2 100644
--- a/pith/mailview.c
+++ b/pith/mailview.c
@@ -387,8 +387,6 @@ format_calendar_vevent(VCALENDAR_S *vcal, ATTACH_S *a, HANDLE_S **handlesp, int
 
       if(cflags & FC_SUMMARY){
 	COLOR_PAIR *lastc = NULL;
-	char numbuf[50];
-	int thisdescwid;
 	COLOR_PAIR *hdrcolor = NULL;
 
 	if((flgs & FM_DISPLAY)
@@ -508,7 +506,7 @@ format_calendar(long int msgno, BODY *body, HANDLE_S **handlesp, int flgs, int w
 
   for(a = ps_global->atmts; a->description != NULL; a++){
      if(MIME_VCALENDAR(a->body->type, a->body->subtype)){
-	b = mail_body (ps_global->mail_stream, msgno, a->number);
+	b = mail_body (ps_global->mail_stream, msgno, (unsigned char *) a->number);
 	if(b == NULL){
 	   gf_puts(_("Error fetching calendar body part"), pc);
 	   gf_puts(NEWLINE, pc);
@@ -524,7 +522,7 @@ format_calendar(long int msgno, BODY *body, HANDLE_S **handlesp, int flgs, int w
 	  rawtext[callen] = '\0';	/* chop off cookie */
 	  switch(b->encoding){
 	     case ENCBASE64:
-		caltext = rfc822_base64(rawtext, strlen(rawtext), &callen);
+		caltext = rfc822_base64((unsigned char *) rawtext, strlen(rawtext), &callen);
 		if(caltext == NULL){
 		  gf_puts(_("Error in calendar base64 encoding"), pc);
 		  gf_puts(NEWLINE, pc);
diff --git a/pith/save.c b/pith/save.c
index fe7f974f..fb533228 100644
--- a/pith/save.c
+++ b/pith/save.c
@@ -1721,10 +1721,8 @@ save_ex_explain_parts(struct mail_bodystruct *body, int depth, long unsigned int
 int
 save_ex_output_text(char *text, int depth, unsigned long *len, gf_io_t pc)
 {
-   int starti, i, j, startpos, pos, rv;
-   int line_len = 68 - depth;
+   int starti, i, startpos, pos, rv;
    char tmp[100];	/* a number bigger than 68, we justify text here. */
-   char *s;
    unsigned long ilen;
 
    rv = 0;
@@ -1735,7 +1733,7 @@ save_ex_output_text(char *text, int depth, unsigned long *len, gf_io_t pc)
      startpos = pos;
      for(starti = i = depth; i < 68 && text[pos] != '\0'; i++, pos++){
 	tmp[i] = text[pos];
-	if(tmp[i] == ' '){				/* save when we reach a space */
+	if(tmp[i] == ' '){	/* save when we reach a space */
 	   starti = i;
 	   startpos = pos;
 	}
diff --git a/pith/smime.c b/pith/smime.c
index 72801cd6..16d72990 100644
--- a/pith/smime.c
+++ b/pith/smime.c
@@ -2768,7 +2768,6 @@ smime_extract_and_save_cert(PKCS7 *p7)
     X509 *x, *cert;
     char **email;
     int i, j, rv, already_saved;
-    long error;
 
     /* any signers for this message? */
     if((signers = PKCS7_get0_signers(p7, NULL, 0)) == NULL)
@@ -3263,7 +3262,6 @@ decrypt_file(char *fp, int *rv, PERSONAL_CERT *pc)
   PKCS7 *p7 = NULL;
   char *text, *tmp;
   BIO *in = NULL, *out = NULL;
-  int i, j;
   long unsigned int len;
   void *ret;
 
diff --git a/pith/smkeys.c b/pith/smkeys.c
index 760c4b1d..024c8240 100644
--- a/pith/smkeys.c
+++ b/pith/smkeys.c
@@ -201,7 +201,7 @@ ALPINE_self_signed_certificate(char *template, int version, char *pathdir, char
 	if((req = X509_REQ_new()) != NULL
 	    && X509_REQ_set_version(req, 0L)){
 	    name = X509_REQ_get_subject_name(req);
-	    X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, "Password File Certificate and Key Pair", -1, -1, 0);
+	    X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, (unsigned char *) "Password File Certificate and Key Pair", -1, -1, 0);
 	    if(X509_REQ_set_pubkey(req, pkey)
 		&& (pcert = X509_new()) != NULL){
 		if(X509_set_version(pcert, version)
@@ -241,7 +241,6 @@ ALPINE_self_signed_certificate(char *template, int version, char *pathdir, char
 	    build_path(tmp, pathdir, certfile, sizeof(tmp));
 	    if((fp = fopen(tmp, "w")) != NULL
 		&&(out = BIO_new_fp(fp, BIO_FP_TEXT)) != NULL){
-	      EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
 	      PEM_write_bio_X509(out, pcert);
 	      BIO_flush(out);
 	      BIO_free(out);