C語言_用指標對調變數內容。

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

void swap(int *a, int *b) {
    int temp = 0;
    temp = *a;
    *a = *b;
    *b = temp;
}

int main(int argc, char *argv[]) {
    system("color f0");

    int a = 10, b = 35;

    printf("a = %d, b = %d\n", a, b);

    swap(&a, &b);
    printf("swap two variable.\n");

    printf("a = %d, b = %d\n", a, b);

    system("pause");
    return 0;
}