带参数的宏定义应该怎么写,参数不能加括号

2013-09-19 20:48:21

如下,宏定义带参数时,宏名中参数不能加括号:

1 //对于带参数的宏定义,参数不能加括号,提示'(' : unexpected in macro formal parameter list
2 //#define MAX((a),(b))  (  (long)((a) - (b)) & (0x1 << (8*sizeof(long) - 1) ) ? (b) : (a) )
3 
4 #define MAX(a,b)  (  (long)((a) - (b)) & (0x1 << (8*sizeof(long) - 1) ) ? (b) : (a) )
原文地址:https://www.cnblogs.com/youngforever/p/3329966.html