ref: 8cc080311f65c04eb2f7e4fff5b0c4ab4133847c
dir: /sys/src/ape/lib/ap/gen/strcmp.c/
#include <string.h> int strcmp(const char *s1, const char *s2) { unsigned c1, c2; for(;;) { c1 = *s1++; c2 = *s2++; if(c1 != c2) { if(c1 > c2) return 1; return -1; } if(c1 == 0) return 0; } }