DB_File

Perl5 access to Berkeley DB

DynaLoader

Dynamically load C libraries into Perl code

Fcntl

load the C Fcntl.h defines

GDBM_File

Perl5 access to the gdbm library.

IO

load various IO modules

IO::File

supply object methods for filehandles

IO::Handle

supply object methods for I/O handles

IO::pipe

supply object methods for pipes

IO::Seekable

supply seek based methods for I/O objects

IO::Select

OO interface to the select system call

IO::Socket

Object interface to socket communications

NDBM_File

Tied access to ndbm files

ODBM_File

Tied access to odbm files

Opcode

Disable named opcodes when compiling perl code

Safe

Compile and execute code in restricted compartments

ops

Perl pragma to restrict unsafe operations when compiling

SDBM_File

Tied access to sdbm files

Socket, sockaddr_in, sockaddr_un, inet_aton, inet_ntoa

load the C socket.h defines and structure manipulators