#include "stdio.h"
#define func(a) #a
void main()
{
printf(func(abc));
}//结果????
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#include "stdio.h"
#define func(x,y) x##y
void main()
{
printf("%d\n",func(12,89));
printf("%s\n",func("12","cd"));
}//结果????
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#include
#define func(a)
void main()
{
char i;
i=func(d);
putchar(i);
printf("\n");
system("pause");
}//结果??????
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#include
#define OK 100
void main()
{
printf("OK \n");
printf("%d \n",OK);
system("pause");
}
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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