p11-4.c

SUN Solaris8平台下进程间通信

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include "err_exit.h"
int main (int argc, char *argv[])
{
    char buffer[BUFSIZ+1];
    int n, pipein;
    sscanf(argv[1], "%d", & pipein);    /* 从参数中读出管道描述字 */
    n = read(pipein,buffer,BUFSIZ);
    printf("%d: read %d bytes: \n%s\n",getpid(),n,buffer);
    exit(EXIT_SUCCESS);
}