setgrent

fork Does a fork(2) system call to create a new process running the same program at the same point. It returns the child pid to the parent

opendir DIRHANDLE,EXPR Opens a directory named EXPR for processing by

undef EXPR undef Undefines the value of EXPR, which must be an lvalue. Use only on a scalar value, an array

bind SOCKET,NAME Binds a network address to a socket, just as bind(2) does. Returns true if it succeeded, false otherwise. NAME should be

our VARLIST our TYPE VARLIST our VARLIST : ATTRS our TYPE VARLIST : ATTRS

socket SOCKET,DOMAIN,TYPE,PROTOCOL Opens a socket of the specified kind and attaches it to filehandle SOCKET. DOMAIN, TYPE, and PROTOCOL are

local EXPR You really probably want to be using my

getprotobyname NAME

getnetent