Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/libc/port/strcmp.c
#include <u.h> #include <libc.h> int strcmp(char *s1, 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; } }