This is gzip2cmp.c in view mode; [Download] [Up]
#include <stdio.h>
main (ac, av)
int ac;
char **av;
{
char *zipfile;
int fd[2];
switch (ac) {
case 2:
zipfile = av[1];
break;
case 1:
zipfile = NULL;
break;
default:
fputs (stderr, "usage: gziptocomp [zipfile]");
exit (1);
}
if (pipe (fd) < 0) {
perror ("pipe");
exit (1);
}
switch (fork ()) {
default: /* the father */
if (dup2 (fd[0], 0) < 0) {
perror ("parent: dup2");
exit (1);
}
close (fd[1]);
execlp ("/bin/compress", "compress", NULL);
perror ("execlp: compress");
exit (1);
case 0: /* the son */
if (dup2 (fd[1], 1) < 0) {
perror ("child: dup2");
exit (1);
}
close (fd[0]);
execlp ("/bin/gzip", "gzip", "-cd", zipfile, NULL);
perror ("execlp: unzip");
exit (1);
case -1: /* Murphy's ghost */
perror ("fork");
exit (1);
}
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.