240     char* right = Evaluate(state, argv[1]);  in EqualityFn()  local
241     if (right == NULL) {  in EqualityFn()
246     char* result = strdup(strcmp(left, right) == 0 ? "t" : "");  in EqualityFn()
248     free(right);  in EqualityFn()
255     char* right = Evaluate(state, argv[1]);  in InequalityFn()  local
256     if (right == NULL) {  in InequalityFn()
261     char* result = strdup(strcmp(left, right) != 0 ? "t" : "");  in InequalityFn()
263     free(right);  in InequalityFn()
282     char* right;  in LessThanIntFn()  local
283     if (ReadArgs(state, argv, 2, &left, &right) < 0) return NULL;  in LessThanIntFn()
294     long r_int = strtol(right, &end, 10);  in LessThanIntFn()
295     if (right[0] == '\0' || *end != '\0') {  in LessThanIntFn()
296         printf("[%s] is not an int\n", right);  in LessThanIntFn()
304     free(right);  in LessThanIntFn()