C strcmp

#include <stdio.h>
#include <stdlib.h>
#include <string.h>


int main(){
char * str = "aquit";
int i = strcmp(str,"quit");
printf("strcmp equal %d \n",i);


char * str2 = "qzuit";
int i2 = strcmp(str2,"quit");
printf("strcmp equal %d \n",i2);


char * str3 = "quit";
int i3 = strcmp(str3,"quit");
printf("strcmp equal %d \n",i3);

}

-- 输出

strcmp equal -1 
strcmp equal 1 
strcmp equal 0