C语言中__DATE__，__TIME__，__FILE__和__LINE__的用途

#include <stdio.h>
#include <stdlib.h>
 
int main()
{
	printf("%s\n", __DATE__);
	printf("%s\n", __TIME__);
	printf("Bug is here:%s on line %d\n", __FILE__, __LINE__);
 
	return 0;
}

     同样，你可以试试__DATE__和__TIME__.