ref: 2c6cc121339ade33ac5aa4b46356df1cd5469fbe
dir: /sys/src/ape/lib/ap/gen/memcmp.c/
#include <string.h> int memcmp(const void *a1, const void *a2, size_t n) { char *s1, *s2; unsigned c1, c2; s1 = a1; s2 = a2; while(n > 0) { c1 = *s1++; c2 = *s2++; if(c1 != c2) { if(c1 > c2) return 1; return -1; } n--; } return 0; }