10-7.c

C语言程序设计及应用习题解析与上机指导 冶金工业出版社 谢乐军

#include <stdio.h>
#define MUL1(x,y) x * y
#define MUL2(x,y) (x * y)
#define MUL3(x,y) ((x) * (y))
void main()
{
printf("调用各个宏的结果:\n");
printf("\tMUL1:%d\n",2*MUL1(2+5,3-1));
printf("\tMUL2:%d\n",2*MUL2(2+5,3-1));
printf("\tMUL3:%d\n\n",2*MUL3(2+5,3-1));
}