strcmp(first_string, second_string)
函數(shù)比較兩個(gè)字符串,如果兩個(gè)字符串相等,則返回0
。
在這里,我們使用gets()
函數(shù)從控制臺(tái)讀取兩個(gè)字符串用來做比較。
使用示例
創(chuàng)建一個(gè)源文件:string_strcmp.c,其代碼如下所示 -
#include <stdio.h>
void main()
{
char str1[20], str2[20];
while(1){
printf("Enter 1st string: ");
gets(str1);//reads string from console
printf("Enter 2nd string: ");
gets(str2);
if (strcmp(str1, str2) == 0)
printf("Strings are equal \n");
else
printf("Strings are not equal \n");
}
}
執(zhí)行上面示例代碼,得到以下結(jié)果 -
Enter 1st string: mystr
Enter 2nd string: mystr
Strings are equal
Enter 1st string: string1
Enter 2nd string: string2
Strings are not equal