projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 97e3edfb DF |
1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef lint | |
| 8 | static char sccsid[] = "@(#)printg.c 5.1 (Berkeley) %G%"; | |
| 9 | #endif not lint | |
| 5866ebe6 RC |
10 | |
| 11 | #include "2648.h" | |
| 12 | ||
| 13 | printg() | |
| 14 | { | |
| 15 | int oldvid = _video; | |
| 16 | int c, c2; | |
| 17 | ||
| 18 | if (oldvid==INVERSE) | |
| 19 | togvid(); | |
| 20 | sync(); | |
| 21 | escseq(NONE); | |
| 22 | outstr("\33&p4d5u0C"); | |
| 23 | outchar('\21'); /* test handshaking fix */ | |
| 24 | ||
| 25 | /* | |
| 26 | * The terminal sometimes sends back S<cr> or F<cr>. | |
| 27 | * Ignore them. | |
| 28 | */ | |
| 29 | fflush(stdout); | |
| 30 | c = getchar(); | |
| 31 | if (c=='F' || c=='S') { | |
| 32 | c2 = getchar(); | |
| 33 | if (c2 != '\r' && c2 != '\n') | |
| 34 | ungetc(c2, stdin); | |
| 35 | } else { | |
| 36 | ungetc(c, stdin); | |
| 37 | } | |
| 38 | ||
| 39 | if (oldvid==INVERSE) | |
| 40 | togvid(); | |
| 41 | } |