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47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* Copyright (C) 1991 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#include <strings.h>
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#ifndef strchr
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#define strchr index
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#endif
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#endif
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/* Return the length of the maximum inital segment of S
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which contains no characters from REJECT. */
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int
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strcspn (s, reject)
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register char *s;
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register char *reject;
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{
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register int count = 0;
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while (*s != '\0')
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if (strchr (reject, *s++) == 0)
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++count;
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else
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return count;
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return count;
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}
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