callback

callback

Syntax

Macro: callback symbol ⇒ pointer

Arguments and Values

symbol

A symbol denoting a callback.

pointer

new-value

A pointer.

Description

The callback macro is analogous to the standard CL special operator function and will return a pointer to the callback denoted by the symbol name.

Examples

  CFFI> (defcallback sum :int ((a :int) (b :int))
          (+ a b))
  ⇒ SUM
  CFFI> (callback sum)
  ⇒ #<A Mac Pointer #x102350>

See Also

get-callback
defcallback