ref: 9cb02ecc484ffa07a0a6052cbd40794572c340e2
dir: /include/libc.h/
#pragma once int strlen(char *s); int strcmp(char *s1, char *s2); void* memset(void* src, char c, unsigned int len); void* memcpy(void *a1, void *a2, unsigned int len); int lladd(ll_t*, void*); int lldel(ll_t*, void*);