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Diffstat (limited to 'lib/strcspn.c')
-rw-r--r-- | lib/strcspn.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/strcspn.c b/lib/strcspn.c new file mode 100644 index 000000000..ea61aa120 --- /dev/null +++ b/lib/strcspn.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +char *index (); + +/* Return the length of the maximum inital segment of S + which contains no characters from REJECT. */ +int +strcspn (s, reject) + register char *s; + register char *reject; +{ + register int count = 0; + + while (*s != '\0') + if (index (reject, *s++) == 0) + ++count; + else + return count; + + return count; +} |