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Re: argp

> Excuse my ignorance, but what is "argp" as mentioned by the GNU Hurd
> Reference Manual? It sounds related to argc or argv but I can't figure out
> what it is.

It is a set of library functions for parsing command line arguments in a
highly modular way.  It was originally written (by Miles Bader) for the
Hurd, and is used extensively in the Hurd libraries and programs.  However,
there is nothing really Hurd-specific about it.  It is now part of GNU libc
(2.1 and later, on all platforms) and no longer in the Hurd sources.  See
the header file <argp.h>, and there is a section in the GNU libc manual
that documents it.

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