4d767c86 BJ |
1 | #include <pwd.h> |
2 | /* |
3 | * whoami |
4 | */ |
5 | struct passwd *getpwuid(); |
6 | |
7 | main() |
8 | { |
9 | register struct passwd *pp; |
10 | |
11 | pp = getpwuid(getuid()); |
12 | if (pp == 0) { |
13 | printf("Intruder alert.\n"); |
14 | exit(1); |
15 | } |
16 | printf("%s\n", pp->pw_name); |
17 | exit(0); |
18 | } |