Microsoft Programmer's Library 1.3/Microsoft-Programers-Library-v1.3.iso/sampcode/c/other/learn/goodmac.c

C/C++ Source or Header | 1988-10-07 | 195 b | 12 lines

/* GOODMAC.C: Parentheses in macro arguments. */
#include <stdio.h>

#define FOURX(arg)  ( (arg) * 4 )

main()
{
   int val;
   val = FOURX( 2 + 3 );
   printf( "val = %d\n", val );
}