p1-1.c

SUN Solaris8平台下进程间通信

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 256
#endif
main()
{
    char hostname[MAXHOSTNAMELEN];
    long hostid;
    size_t size;
    size = MAXHOSTNAMELEN;
    if(gethostname(hostname,size) != 0){
       printf("Could not get host name\n"); 
       exit(1);
    }
    hostid = gethostid();
    printf ("hostname=%s\nhostid=%d\n", hostname, hostid);
}