Commit | Line | Data |
---|---|---|
1 | #include <stdio.h> | |
2 | ||
3 | /* | |
4 | * gets [ default ] | |
5 | * | |
6 | * read a line from standard input, echoing to std output | |
7 | * if an error occurs just return "default" | |
8 | * if no default and error exit abnormally | |
9 | */ | |
10 | main(argc, argv) | |
11 | int argc; | |
12 | char *argv[]; | |
13 | { | |
14 | char buf[BUFSIZ]; | |
15 | ||
16 | if (gets(buf) == NULL || buf[0] < ' ') { | |
17 | if (argc == 1) | |
18 | exit(1); | |
19 | strcpy(buf,argv[1]); | |
20 | } | |
21 | printf("%s\n", buf); | |
22 | exit(0); | |
23 | } |