[unix-history] / usr / src / old / vfilters / necf / necf.c

/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)necf.c      5.3 (Berkeley) %G%";
#endif /* not lint */

#include <stdio.h>
#include <sgtty.h>

#define PAGESIZE        66

main()
{
       extern char *rindex();
       char line[256];
       register char c, *cp;
       register lnumber;

#ifdef SHEETFEEDER
       printf("\033=\033\033\033O\f");
#else
       printf("\033=");
#endif
       lnumber = 0;
       while (fgets(line, sizeof(line), stdin) != NULL) {
#ifdef SHEETFEEDER
               if (lnumber == PAGESIZE-1) {
                       putchar('\f');
                       lnumber = 0;
               }
               if (lnumber >= 2) {
#endif
#ifdef TTY
                       if ((cp = rindex(line, '\n')) != NULL)
                               *cp = '\r';
#endif
                       printf("%s", line);
#ifdef SHEETFEEDER
               }
               lnumber++;
#endif
       }
       fflush (stdout);
}