Backtrace: #0 0x28131b77 in _exit () from /lib/libc.so.6 (gdb) bt #0 0x28131b77 in _exit () from /lib/libc.so.6 #1 0x280b1690 in exit () from /lib/libc.so.6 #2 0x8054dd1 in strcpy () #3 0x805538a in error () #4 0x80535d8 in strcpy () #5 0x2809b936 in __libc_start_main () from /lib/libc.so.6