Alternate between .c and .h files quickly

Note: I am not the author of this script; merely hosting it here to easily keep all my distributed vimconfigs up to date.

Copyright (c) 1998-2006 Michael Sharpe [email protected]

We grant permission to use, copy modify, distribute, and sell this software for any purpose without fee, provided that the above copyright notice and this text are not removed. We make no guarantee about the suitability of this software for any purpose and we are not liable for any damages resulting from its use. Further, we are under no obligation to maintain or extend this software. It is provided on an "as is" basis without any expressed or implied warranty.

Directory & regex enhancements added by Bindu Wavell who is well known on vim.sf.net

Patch for spaces in files/directories from Nathan Stien (also reported by Soeren Sonnenburg)