Code:
[flexo@localhost ~]$ gcc who.c -o who
[flexo@localhost ~]$ ./who 
What is your name?flexo!
Darn glad to meet you, flexo!!
[flexo@localhost ~]$ gcc --version
gcc (GCC) 4.4.2 20091222 (Red Hat 4.4.2-20)
Copyright (C) 2009 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
I have no idea!