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One can interface Perl5 code with C using an interface constructor called xsubpp
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This manipulates an existing C library and allows it to be accessed through a designated Perl module
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Simple datatypes can be handled automatically but user must manipulate complex C datastructures in special xsub code
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see PerlXS and PerlXSTUT manual entries
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Also PerlCALL and PerlEMBED manual pages describe how to call Perl from C
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One can add a Perl Interpreter to your C program, execute a Perl statement such as a pattern match or execute a full Perl subroutine
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