perldebguts Perl debugging guts and tips
perlxstut Perl XS tutorial
perlxs Perl XS application programming interface
+ perlclib Internal replacements for standard C library functions
perlguts Perl internal functions for those doing extensions
perlcall Perl calling conventions from C
perlutil utilities packaged with the Perl distribution
perlos2 Perl notes for OS/2
perlos390 Perl notes for OS/390
perlsolaris Perl notes for Solaris
- perlvmesa Perl notes for POSIX-BC BS2000
+ perlvmesa Perl notes for VM/ESA
perlvms Perl notes for VMS
perlvos Perl notes for Stratus VOS
perlwin32 Perl notes for Windows