ref: 086f757bc0f6c51c01e6300ce0370d774e6f9864 dir: /libnpe/strnlen.c/
#include <string.h> size_t strnlen(char *s, size_t maxlen) { size_t i; for (i = 0; i < maxlen && s[i] != '\0'; i++) ; return i; }