ref: 068af381fcb0e5b312fbc0c6da9ae1115f91b7c9
dir: /lib/c/src/strpbrk.c/
#include <string.h>
#undef strpbrk
char *
strpbrk(const char *s1, const char *s2)
{
int c;
const char *p;
for (; c = *s1; ++s1) {
for (p = s2; *p && *p != c; ++p)
/* nothing */;
if (*p == c)
return s1;
}
return NULL;
}