Tootfinder

#define SIOCGIFINDEX 0x8933 /* name -> if_index mapping */
#define SIOGIFINDEX SIOCGIFINDEX /* misprint compatibility :-) */
-- /usr/include/bits/ioctls.h

Despite what you will read on the internet, exiting #Vim is really easy.
Just press the ESC key and then enter this simple line to exit the editor:
:let script=['#define _POSIX_SOURCE', '#include