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