#include <stdio.h>
main(int argc, char *argv[])
{
   int fd, nread;
   char s[100];
   int item;

   fd = atoi(argv[1]);
   printf("reading file descriptor %d\n",fd);
   switch (nread = read(fd,s,5)) /* we know it's 'hello' */
   {
     case -1 : fprintf(stderr,"read\n");
     case 0  : fprintf(stderr,"EOF\n");
     default : s[nread] = 0;
               printf("read %d bytes: %s\n",nread,s);
   }
   if (nread = read(fd,&item,sizeof(item)) > 0)
      printf("number read %d\n",item);
   else
      printf("read int failed, bytes read %d\n",nread);
}