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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [string/] [strpbrk.c] - Rev 307
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/* FUNCTION <<strpbrk>>---find characters in string INDEX strpbrk ANSI_SYNOPSIS #include <string.h> char *strpbrk(const char *<[s1]>, const char *<[s2]>); TRAD_SYNOPSIS #include <string.h> char *strpbrk(<[s1]>, <[s2]>) char *<[s1]>; char *<[s2]>; DESCRIPTION This function locates the first occurence in the string pointed to by <[s1]> of any character in string pointed to by <[s2]> (excluding the terminating null character). RETURNS <<strpbrk>> returns a pointer to the character found in <[s1]>, or a null pointer if no character from <[s2]> occurs in <[s1]>. PORTABILITY <<strpbrk>> requires no supporting OS subroutines. */ #include <string.h> char * _DEFUN (strpbrk, (s1, s2), _CONST char *s1 _AND _CONST char *s2) { _CONST char *c = s2; if (!*s1) return (char *) NULL; while (*s1) { for (c = s2; *c; c++) { if (*s1 == *c) break; } if (*c) break; s1++; } if (*c == '\0') s1 = NULL; return (char *) s1; }
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