[C/C++] strcmp 函數

功能：字串比對

回傳值：相同：0　不同：-1

Exemple：

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

int main ()
{
    char key[] = "apple";
    char buffer[80];

    do {
        printf ("Guess my favorite fruit? ");
        fflush (stdout);
        scanf ("%79s", buffer);
    }
    while (strcmp (key, buffer) != 0);
        puts ("Correct answer!");

    return 0;
}


參考出處：

http://www.cplusplus.com/reference/cstring/strcmp/?kw=strcmp