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-rw-r--r--lib/userspec.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/userspec.c b/lib/userspec.c
index 60c6ecc1a..44d7d9174 100644
--- a/lib/userspec.c
+++ b/lib/userspec.c
@@ -22,9 +22,11 @@
#include <pwd.h>
#include <grp.h>
-#if defined(USG) || defined(STDC_HEADERS)
+#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
#include <string.h>
+#ifndef index
#define index strchr
+#endif
#else
#include <strings.h>
#endif