管道.txt

linux 写管道和读管道程序

#include<stdio.h>
#include<stdlib.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<fcntl.h>
#include<limits.h>
main(void)
int,fd,len;
char buf[pipe_buf];
mode_t mode=0660;
if(myfifo("fifo1",mode)<0)
{
printf("myfifo err\n");
exit(1);
}

if((fd=open("fifo1",o_rdonly))<0)
{
printf("pipe open err\n");
exit(1);
}
while(len=(read(fd,buf,pipe_buf-1))>0)
printf("read fifo pipe:%s",buf);
close(fd);
}