GETFD(3F)GETFD(3F)NAMEgetfd - get the file descriptor of an external unit number
SYNOPSIS
integer function getfd(unitn)
integer unitn
DESCRIPTIONgetfd returns the file descriptor of an external unit number if the
unit is connected, and -1 otherwise.
FILES
libfui.a
SEE ALSOopen(2)
07 July 1995 GETFD(3F)