rfifo.c

来自「Linux网络编程FIFO源码。wfifo.c创建并打开文件」· C语言 代码 · 共 38 行

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <stdio.h>
#include <stdlib.h>


int main(void)
{
	int fd;
	char buff[4];
	
	fd = open("test_fifo", O_RDONLY);
	
	if(fd < 0){
		printf("open error\n");
		exit(1);
	}

	while(1){
		if(read(fd, buff, sizeof(buff)) < 0){
			printf("read error\n");
		}else{
			printf("read str == [%s]\n", buff);
		}
	}
	
	close(fd);
	
	return 0;
}