where result% is 1 if the channel is open, 0 if not.
result%=IS_OPEN(#chan%)
Example
result%=IS_open(#0)
this tells us if channel 0 is open or not. Please note that the '#' is
necessary! If you leave it out, or leave out the channel altogther, the
function automatically checks channel 0.
PROGS, Professional & Graphical Software
last edited 1996 Aug 06 (wl)