shithub: scc

ref: 3b8e22be8e01e95eddeeb9a1949b897df9b3f869
dir: /src/libc/string/strpbrk.c/

View raw version 
#include <string.h>

#undef strpbrk

char *
strpbrk(const char *s1, const char *s2)
{
	const unsigned char *s = s1;
	const unsigned char *accept = s2;
	unsigned ch;
	char map[__NUMCHARS] = {0};

	while ((ch = *accept++) != 0)
		map[ch] = 1;

	while ((ch = *s) != 0 && !map[ch])
		s++;

	return (ch == '\0') ? NULL : s;
}