hello.c

一个类linux的dos下开发的操作系统.

#include <os.h> /* write() */
/*****************************************************************************
*****************************************************************************/
#define	WAIT	0xFFFFFL

static void wait(void)
{
	unsigned long wait;

	for(wait = WAIT; wait != 0; wait--)
		/* nothing */;
}
/*****************************************************************************
for MinGW32
*****************************************************************************/
#ifdef __WIN32__
int __main(void) { return 0; }
#endif
/*****************************************************************************
*****************************************************************************/
int main(void)
{
	static const char msg[] = "hello ";

	while(1)
	{
		write(0, (char *)msg, sizeof(msg));
		wait();
	}
	return 0;
}