home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
minnie.tuhs.org
/
unixen.tar
/
unixen
/
PDP-11
/
Distributions
/
dec
/
Ultrix-11
/
Ultrix-3.0
/
rat.c
< prev
next >
Wrap
C/C++ Source or Header
|
1991-11-08
|
879b
|
61 lines
#include <stdio.h>
main (argc,argv)
int argc ;
char ** argv ;
{
register int fd, bytes, eof ;
FILE * ofd ;
char * buffer ;
extern char * malloc() ;
buffer = malloc (65535) ;
if ( ( fd = open ("/dev/rmt1600a",0) ) < 0 )
{
fprintf (stderr,"%s: can't open tape unit /dev/rmt1600a\n",
argv[0]) ;
exit (1) ;
}
if ( ( ofd = fopen ("./tapedump","w") ) == NULL )
{
perror ("./tapedump") ;
exit (1) ;
}
for ( eof = 0 ; ; )
{
bytes = read (fd,buffer,65535) ;
if ( bytes == 0 )
{
if ( eof++ > 0 )
{
printf ("EOT\n") ;
break ;
}
printf ("EOF\n") ;
}
else
if ( bytes < 0 )
{
printf ("I/O-ERROR\n") ;
}
else
{
printf ("%d\n",bytes) ;
eof = 0 ;
if ( fwrite (buffer,1,bytes,ofd) != bytes )
fprintf (stderr,"write error\n") ;
}
}
(void) close (fd) ;
(void) fclose (ofd) ;
exit (0) ;
}