echo.c

一个类linux的dos下开发的操作系统.

#include <stdio.h> /* printf() */
#include <os.h> /* int read(int handle, void *buf, unsigned len); */
/*****************************************************************************
for MinGW32
*****************************************************************************/
#ifdef __WIN32__
int __main(void) { return 0; }
#endif
/*****************************************************************************
*****************************************************************************/
#define	SIZE	32

int main(void)
{
	unsigned char buf[SIZE];
	int temp;

	printf("\n");
	while(1)
	{
		printf("Type some text, then press Enter\n");
		temp = read(0, buf, SIZE);
		if(temp < 0)
			printf("*** read() returned %d\n", temp);
		printf("you typed '%s'\n", buf);
	}
	return 0;
}