#include char *smaller(char *s1, char *s2) { int i; i = strcmp(s1, s2); if (i < 0) return s1; if (i > 0) return s2; return NULL; } main() { char s1[100]; char s2[100]; while(1) { printf("Enter two words:\n"); if (scanf("%s", s1) != 1) exit(0); if (scanf("%s", s2) != 1) exit(0); printf("Smaller is %s\n", smaller(s1, s2)); } }