exists EXPR Given an expression that specifies an element of a hash, returns true if the specified element in the hash has ever been initialized

NAME

int EXPR int Returns the integer portion of EXPR. If EXPR is omitted, uses

connect SOCKET,NAME Attempts to connect to a remote socket, just like connect(2). Returns true if it succeeded, false otherwise. NAME should

hex EXPR hex Interprets EXPR as a hex string and returns the corresponding value. (To convert strings that

NAME

require VERSION require EXPR require Demands a version of Perl specified

setprotoent STAYOPEN

q/STRING/

NAME