hnlIsAPatchCord

hnlIsAPatchCord(
d_inst
)
=> t / nil

Checks if the master of the given instance is a patchcord.

d_inst

The instId of the instance whose master is checked.

`t`	The master of the given instance is a patchcord
`nil`	The command was unsuccessful.

hnlIsAPatchCord( inst )