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29512365 BK |
1 | #include "stdio.h" |
2 | #include "lrndef" | |
3 | #include "lrnref" | |
4 | #include "signal.h" | |
5 | ||
6 | main(argc,argv) | |
7 | char *argv[]; | |
8 | { | |
9 | extern hangup(), intrpt(); | |
10 | extern char * getlogin(); | |
11 | char *malloc(); | |
12 | ||
13 | speed = 0; | |
14 | more = 1; | |
15 | pwline = getlogin(); | |
16 | setbuf(stdout, malloc(BUFSIZ)); | |
17 | selsub(argc, argv); | |
18 | signal(SIGHUP, hangup); | |
19 | signal(SIGINT, intrpt); | |
20 | while (more) { | |
21 | selunit(); | |
22 | dounit(); | |
23 | whatnow(); | |
24 | } | |
25 | wrapup(0); | |
26 | } | |
27 | ||
28 | hangup() | |
29 | { | |
30 | wrapup(1); | |
31 | } | |
32 | ||
33 | intrpt() | |
34 | { | |
35 | char response[20], *p; | |
36 | ||
37 | signal(SIGINT, hangup); | |
38 | write(2, "\nInterrupt.\nWant to go on? ", 28); | |
39 | p = response; | |
40 | *p = 'n'; | |
41 | while (read(0, p, 1) == 1 && *p != '\n') | |
42 | p++; | |
43 | if (response[0] != 'y') | |
44 | wrapup(1); | |
45 | ungetc('\n', stdin); | |
46 | signal(SIGINT, intrpt); | |
47 | } |