NAME

getfd − get the file descriptor of an external unit number

SYNOPSIS

integer function getfd(unitn)
integer unitn

DESCRIPTION

Getfd returns the ‘file descriptor’ of an external unit number if the unit is connected and −1 otherwise. 

FILES

/usr/lib/libI77.a

SEE ALSO

open(2)

Sun Release 4.0  —  Last change: 13 June 1983