/*-------------------------------------
    predef.c -- 预定义宏和预定义标识符
-------------------------------------*/

#include <stdio.h>

void why_me(void);

int main()
{
    printf("The file is %s.\n", __FILE__);
    printf("The data is %s.\n", __DATE__);
    printf("The time is %s.\n", __TIME__);
    //printf("The version is %ld.\n", __STDC__);
    printf("This is line %d.\n", __LINE__);
    printf("This function is %s\n", __FUNCTION__);
    
    why_me();

    return 0;
}

void why_me()
{
    printf("This function is %s\n", __FUNCTION__);
    printf("This is line %d.\n", __LINE__);
}