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Popt is a C library for parsing command line parameters. Popt was heavily influenced by the getopt() and getopt_long() functions, but it improves on them by allowing more powerful argument expansion. Popt can parse arbitrary argv[] style arrays and automatically set variables based on command line arguments. Popt allows command line arguments to…
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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 parsting strings
	   into argv[] style arrays

popt is used by rpm, the Red Hat install program, and many other Red Hat
utilities, all of which provide excellent examples of how to use popt. 
Complete documentation on popt is available in (included in this
tarball), which is excerpted with permission from the book "Linux
Application Development" by Michael K. Johnson and Erik Troan (availble
from Addison Wesley in May, 1998).

Comments on popt should be addressed to
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