ref: 5e809c5e93c43d9fe8c2829f91651eb341e5e58e
dir: /lib/c/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) ; if (*p == c) return s1; } return NULL; }