list0405.c

里面包含很多c语言的源码

/* Demonstrates the evaluation of relational expressions */

#include <stdio.h>

int a;

int main( void )
{
    a = (5 == 5);           /* Evaluates to 1 */
    printf("\na = (5 == 5)\na = %d", a);

    a = (5 != 5);           /* Evaluates to 0 */
    printf("\na = (5 != 5)\na = %d", a);

    a = (12 == 12) + (5 != 1); /* Evaluates to 1 + 1 */
    printf("\na = (12 == 12) + (5 != 1)\na = %d\n", a);
    return 0;
}