#include <stdio.h>
void funtion(int* b) {
*b = *b - 10;
}
int main() {
int x = 15;
int y = 10;
funtion(&x);
funtion(&y);
printf("x = %d\n", x);// 输出 x
printf("y = %d\n", y);// 输出 y
return 0;
}
输出:
x = 5
y = 0