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h2ph - convert .h C header files to .ph Perl header files


h2ph [-d destination directory] [-r | -a] [-l] [-h] [-e] [-D] [-Q] [headerfiles]


h2ph converts any C header files specified to the corresponding Perl header file format.
It is most easily run while in /usr/include:

cd /usr/include; h2ph * sys/*


cd /usr/include; h2ph * sys/* arpa/* netinet/*


cd /usr/include; h2ph -r -l .

The output files are placed in the hierarchy rooted at Perl's architecture dependent
library directory. You can specify a different hierarchy with a -d switch.

If run with no arguments, filters standard input to standard output.


-d destination_dir
Put the resulting .ph files beneath destination_dir, instead of beneath the default
Perl library location ($Config{'installsitearch'}).

-r Run recursively; if any of headerfiles are directories, then run h2ph on all files in
those directories (and their subdirectories, etc.). -r and -a are mutually exclusive.

-a Run automagically; convert headerfiles, as well as any .h files which they include.
This option will search for .h files in all directories which your C compiler
ordinarily uses. -a and -r are mutually exclusive.

-l Symbolic links will be replicated in the destination directory. If -l is not
specified, then links are skipped over.

-h Put 'hints' in the .ph files which will help in locating problems with h2ph. In those
cases when you require a .ph file containing syntax errors, instead of the cryptic

[ some error condition ] at (eval mmm) line nnn

you will see the slightly more helpful

[ some error condition ] at filename.ph line nnn

However, the .ph files almost double in size when built using -h.

-e If an error is encountered during conversion, output file will be removed and a
warning emitted instead of terminating the conversion immediately.

-D Include the code from the .h file as a comment in the .ph file. This is primarily
used for debugging h2ph.

-Q 'Quiet' mode; don't print out the names of the files being converted.


No environment variables are used.

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