This is the popt command line option parsing library. While it is similiar
to getopt(3), it contains a number of enhancements, including:
1) popt is fully reentrant
2) popt can parse arbitrary argv[] style arrays while
getopt(2) makes this quite difficult
3) popt allows users to alias command line arguments
4) popt provides convience functions for parsing strings
into argv[] style arrays
WWW: http://freshmeat.net/projects/popt/
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