.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.43) .\" .\" 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" '' . ds C` . ds C' '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 >0, 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. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "FFI::C::Struct 3pm" .TH FFI::C::Struct 3pm "2023-02-06" "perl v5.36.0" "User Contributed Perl Documentation" .\" 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" FFI::C::Struct \- Structured data instance for FFI .SH "VERSION" .IX Header "VERSION" version 0.15 .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& use FFI::C::StructDef; \& \& my $def = FFI::C::StructDef\->new( \& name => \*(Aqcolor_t\*(Aq, \& class => \*(AqColor\*(Aq, \& members => [ \& red => \*(Aquint8\*(Aq, \& green => \*(Aquint8\*(Aq, \& blue => \*(Aquint8\*(Aq, \& ], \& ); \& \& my $red = $def\->create({ red => 255 }); # creates a FFI::C::Stuct \& \& printf "[%02x %02x %02x]\en", $red\->red, $red\->green, $red\->blue; # [ff 00 00] \& \& # that red is too bright! \& $red\->red(200); \& \& printf "[%02x %02x %02x]\en", $red\->red, $red\->green, $red\->blue; # [c8 00 00] \& \& \& my $green = Color\->new({ green => 255 }); # creates a FFI::C::Stuct \& \& printf "[%02x %02x %02x]\en", $green\->red, $green\->green, $green\->blue; # [00 ff 00] .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" This class represents an instance of a C \f(CW\*(C`struct\*(C'\fR. This class can be created using \&\f(CW\*(C`new\*(C'\fR on the generated class, if that was specified for the FFI::C::StructDef, or by using the \f(CW\*(C`create\*(C'\fR method on FFI::C::StructDef. .PP For each member defined in the FFI::C::StructDef there is an accessor for the FFI::C::Struct instance. .SH "CONSTRUCTOR" .IX Header "CONSTRUCTOR" .SS "new" .IX Subsection "new" .Vb 2 \& FFI::C::StructDef\->new( class => \*(AqUser::Struct::Class\*(Aq, ... ); \& my $instance = User::Struct::Class\->new; .Ve .PP Creates a new instance of the \f(CW\*(C`struct\*(C'\fR. .SH "SEE ALSO" .IX Header "SEE ALSO" .IP "\s-1FFI::C\s0" 4 .IX Item "FFI::C" .PD 0 .IP "FFI::C::Array" 4 .IX Item "FFI::C::Array" .IP "FFI::C::ArrayDef" 4 .IX Item "FFI::C::ArrayDef" .IP "FFI::C::Def" 4 .IX Item "FFI::C::Def" .IP "FFI::C::File" 4 .IX Item "FFI::C::File" .IP "FFI::C::PosixFile" 4 .IX Item "FFI::C::PosixFile" .IP "FFI::C::Struct" 4 .IX Item "FFI::C::Struct" .IP "FFI::C::StructDef" 4 .IX Item "FFI::C::StructDef" .IP "FFI::C::Union" 4 .IX Item "FFI::C::Union" .IP "FFI::C::UnionDef" 4 .IX Item "FFI::C::UnionDef" .IP "FFI::C::Util" 4 .IX Item "FFI::C::Util" .IP "FFI::Platypus::Record" 4 .IX Item "FFI::Platypus::Record" .PD .SH "AUTHOR" .IX Header "AUTHOR" Graham Ollis .SH "COPYRIGHT AND LICENSE" .IX Header "COPYRIGHT AND LICENSE" This software is copyright (c) 2020\-2022 by Graham Ollis. .PP This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.