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Internals and C language interface
- perlembed
- how to embed perl in your C program
- perldebguts
- Guts of Perl debugging
- perlxs
- XS language reference manual
- perlxstut
- Tutorial for writing XSUBs
- perlxstypemap
- Perl XS C/Perl type mapping
- perlinterp
- An overview of the Perl interpreter
- perlsource
- A guide to the Perl source tree
- perlrepository
- Links to current information on the Perl source repository
- perlclib
- Internal replacements for standard C library functions
- perlguts
- Introduction to the Perl API
- perlcall
- Perl calling conventions from C
- perlapi
- autogenerated documentation for the perl public API
- perlintern
- autogenerated documentation of purely internal
Perl functions
- perlmroapi
- Perl method resolution plugin interface
- perliol
- C API for Perl's implementation of IO in Layers.
- perlapio
- perl's IO abstraction interface.
- perlhack
- How to hack on Perl
- perlhacktut
- Walk through the creation of a simple C code patch
- perlhacktips
- Tips for Perl core C code hacking
- perlreguts
- Description of the Perl regular expression engine.
- perlreapi
- Perl regular expression plugin interface
- perlpolicy
- Various and sundry policies and commitments related to the Perl core
