projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 5866ebe6 RC |
1 | /* printg.c 4.1 83/03/09 */ |
| 2 | ||
| 3 | #include "2648.h" | |
| 4 | ||
| 5 | printg() | |
| 6 | { | |
| 7 | int oldvid = _video; | |
| 8 | int c, c2; | |
| 9 | ||
| 10 | if (oldvid==INVERSE) | |
| 11 | togvid(); | |
| 12 | sync(); | |
| 13 | escseq(NONE); | |
| 14 | outstr("\33&p4d5u0C"); | |
| 15 | outchar('\21'); /* test handshaking fix */ | |
| 16 | ||
| 17 | /* | |
| 18 | * The terminal sometimes sends back S<cr> or F<cr>. | |
| 19 | * Ignore them. | |
| 20 | */ | |
| 21 | fflush(stdout); | |
| 22 | c = getchar(); | |
| 23 | if (c=='F' || c=='S') { | |
| 24 | c2 = getchar(); | |
| 25 | if (c2 != '\r' && c2 != '\n') | |
| 26 | ungetc(c2, stdin); | |
| 27 | } else { | |
| 28 | ungetc(c, stdin); | |
| 29 | } | |
| 30 | ||
| 31 | if (oldvid==INVERSE) | |
| 32 | togvid(); | |
| 33 | } |