Commit | Line | Data |
---|---|---|
e9f33521 BJ |
1 | static char *sccsid = "@(#)sleep.c 4.1 (Berkeley) %G%"; |
2 | main(argc, argv) | |
3 | char **argv; | |
4 | { | |
5 | int c, n; | |
6 | char *s; | |
7 | ||
8 | n = 0; | |
9 | if(argc < 2) { | |
10 | printf("arg count\n"); | |
11 | exit(0); | |
12 | } | |
13 | s = argv[1]; | |
14 | while(c = *s++) { | |
15 | if(c<'0' || c>'9') { | |
16 | printf("bad character\n"); | |
17 | exit(0); | |
18 | } | |
19 | n = n*10 + c - '0'; | |
20 | } | |
21 | sleep(n); | |
22 | } |