#include main() { char buf1[100], buf2[100]; int strcmp(char *, char *), strcmp2(char *, char *); int n1, n2; while (fgets(buf1, sizeof buf1, stdin) != NULL) { fgets(buf2, sizeof buf2, stdin); n1 = strcmp(buf1, buf2); n2 = strcmp2(buf1, buf2); printf("%d %d\n", n1, n2); } return 0; } #include "strcmp.c" #define strcmp strcmp2 #include "strcmp2.c"