ref: a0ba4c1f03a3f99fb17a9edf9b4448db49bb6c46
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; } }