debug.c

来自「c pre preocessor directive for debug mes」· C语言 代码 · 共 24 行

//#ifndef DEBUG
//#define DEBUG 0
//#endif
#include <stdio.h>
int main()
{

int i,k;
#ifdef DEBUG
printf("Compiled: " __DATE__ " at" __TIME__"\n");
printf("This is line %d of file %s\n", __LINE__, __FILE__);
#endif
for(i=0;i<20;i++)
{
k=i+13;
printf("hello world\n");
}
exit(0);
}
//gcc -o debug -DDEBBUG debug.c