If you have ever tried to port Linux apps to Windows you may find this useful:

http://www.codeproject.com/Articles/157001/Full-getopt-Port-for-Unicode-and-Multibyte-Microso

From the codeproject site: “This software was written after hours of searching for a robust Microsoft C and C++ implementation of getopt, which led to devoid results. This software is a modification of the Free Software Foundation, Inc. getopt library for parsing command line arguments and its purpose is to provide a Microsoft Visual C friendly derivative.”