usr/src/old/vfilters/necf/necf.c

#ifndef lint
static char sccsid[] = "@(#)necf.c      1.7 (Berkeley) %G%";
#endif

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

#define PAGESIZE        66

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

        setbuf(stdout, _sobuf);
#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);
}