Returns the interface that is used in an element's callbacks.
capi
element-interface-for-callback element => interface
| element⇩ | 
An element. | 
| interface | 
An interface. | 
The generic function element-interface-for-callback returns the interface that is passed to callbacks in element. Normally this is the interface that element is in, but that can be changed by attach-interface-for-callback.
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42