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.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.20) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is turned on, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .ie \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . nr % 0 . rr F .\} .el \{\ . de IX .. .\} .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. . \" fudge factors for nroff and troff .if n \{\ . ds #H 0 . ds #V .8m . ds #F .3m . ds #[ \f1 . ds #] \fP .\} .if t \{\ . ds #H ((1u-(\\\\n(.fu%2u))*.13m) . ds #V .6m . ds #F 0 . ds #[ \& . ds #] \& .\} . \" simple accents for nroff and troff .if n \{\ . ds ' \& . ds ` \& . ds ^ \& . ds , \& . ds ~ ~ . ds / .\} .if t \{\ . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' . ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' . ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' . ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' . ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} . \" troff and (daisy-wheel) nroff accents .ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' .ds 8 \h'\*(#H'\(*b\h'-\*(#H' .ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] .ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' .ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' .ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] .ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] .ds ae a\h'-(\w'a'u*4/10)'e .ds Ae A\h'-(\w'A'u*4/10)'E . \" corrections for vroff .if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' .if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' . \" for low resolution devices (crt and lpr) .if \n(.H>23 .if \n(.V>19 \ \{\ . ds : e . ds 8 ss . ds o a . ds d- d\h'-1'\(ga . ds D- D\h'-1'\(hy . ds th \o'bp' . ds Th \o'LP' . ds ae ae . ds Ae AE .\} .rm #[ #] #H #V #F C .\" ======================================================================== .\" .IX Title "H2PH 1" .TH H2PH 1 "2017-09-18" "perl v5.16.3" "Perl Programmers Reference Guide" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" h2ph \- convert .h C header files to .ph Perl header files .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBh2ph [\-d destination directory] [\-r | \-a] [\-l] [headerfiles]\fR .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fIh2ph\fR converts any C header files specified to the corresponding Perl header file format. It is most easily run while in /usr/include: .PP .Vb 1 \& cd /usr/include; h2ph * sys/* .Ve .PP or .PP .Vb 1 \& cd /usr/include; h2ph * sys/* arpa/* netinet/* .Ve .PP or .PP .Vb 1 \& cd /usr/include; h2ph \-r \-l . .Ve .PP The output files are placed in the hierarchy rooted at Perl's architecture dependent library directory. You can specify a different hierarchy with a \fB\-d\fR switch. .PP If run with no arguments, filters standard input to standard output. .SH "OPTIONS" .IX Header "OPTIONS" .IP "\-d destination_dir" 4 .IX Item "-d destination_dir" Put the resulting \fB.ph\fR files beneath \fBdestination_dir\fR, instead of beneath the default Perl library location (\f(CW$Config{\*(Aqinstallsitearch\*(Aq}\fR). .IP "\-r" 4 .IX Item "-r" Run recursively; if any of \fBheaderfiles\fR are directories, then run \fIh2ph\fR on all files in those directories (and their subdirectories, etc.). \fB\-r\fR and \fB\-a\fR are mutually exclusive. .IP "\-a" 4 .IX Item "-a" Run automagically; convert \fBheaderfiles\fR, as well as any \fB.h\fR files which they include. This option will search for \fB.h\fR files in all directories which your C compiler ordinarily uses. \fB\-a\fR and \fB\-r\fR are mutually exclusive. .IP "\-l" 4 .IX Item "-l" Symbolic links will be replicated in the destination directory. If \fB\-l\fR is not specified, then links are skipped over. .IP "\-h" 4 .IX Item "-h" Put 'hints' in the .ph files which will help in locating problems with \&\fIh2ph\fR. In those cases when you \fBrequire\fR a \fB.ph\fR file containing syntax errors, instead of the cryptic .Sp .Vb 1 \& [ some error condition ] at (eval mmm) line nnn .Ve .Sp you will see the slightly more helpful .Sp .Vb 1 \& [ some error condition ] at filename.ph line nnn .Ve .Sp However, the \fB.ph\fR files almost double in size when built using \fB\-h\fR. .IP "\-D" 4 .IX Item "-D" Include the code from the \fB.h\fR file as a comment in the \fB.ph\fR file. This is primarily used for debugging \fIh2ph\fR. .IP "\-Q" 4 .IX Item "-Q" \&'Quiet' mode; don't print out the names of the files being converted. .SH "ENVIRONMENT" .IX Header "ENVIRONMENT" No environment variables are used. .SH "FILES" .IX Header "FILES" .Vb 2 \& /usr/include/*.h \& /usr/include/sys/*.h .Ve .PP etc. .SH "AUTHOR" .IX Header "AUTHOR" Larry Wall .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fIperl\fR\|(1) .SH "DIAGNOSTICS" .IX Header "DIAGNOSTICS" The usual warnings if it can't read or write the files involved. .SH "BUGS" .IX Header "BUGS" Doesn't construct the \f(CW%sizeof\fR array for you. .PP It doesn't handle all C constructs, but it does attempt to isolate definitions inside evals so that you can get at the definitions that it can translate. .PP It's only intended as a rough tool. You may need to dicker with the files produced. .PP You have to run this program by hand; it's not run as part of the Perl installation. .PP Doesn't handle complicated expressions built piecemeal, a la: .PP .Vb 7 \& enum { \& FIRST_VALUE, \& SECOND_VALUE, \& #ifdef ABC \& THIRD_VALUE \& #endif \& }; .Ve .PP Doesn't necessarily locate all of your C compiler's internally-defined symbols.