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Sprite 1984 - 1993
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strpbrk.c
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C/C++ Source or Header
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1989-03-22
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1KB
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56 lines
/*
* strpbrk.c --
*
* Source code for the "strpbrk" library routine.
*
* Copyright 1988 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
#ifndef lint
static char rcsid[] = "$Header: /sprite/src/lib/c/string/RCS/strpbrk.c,v 1.2 89/03/22 16:07:46 rab Exp $ SPRITE (Berkeley)";
#endif /* not lint */
#include <string.h>
/*
*----------------------------------------------------------------------
*
* strpbrk --
*
* Search a string for a character from a given set.
*
* Results:
* The return value is the address of the first character
* in "string" that is also a character in "chars". If there
* is no such character, then 0 is returned.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
char *
strpbrk(string, chars)
register char *string; /* String to search. */
char *chars; /* Characters to look for in string. */
{
register char c, *p;
for (c = *string; c != 0; string++, c = *string) {
for (p = chars; *p != 0; p++) {
if (c == *p) {
return string;
}
}
}
return 0;
}