FFI::addr

Creates an unmanaged pointer to C data

説明

public static FFI\CData FFI::addr(FFI\CData &$ptr)

Creates an unmanaged pointer to the C data represented by the given FFI\CData. The source ptr must survive the resulting pointer. This function is mainly useful to pass arguments to C functions by pointer.

パラメータ

ptr: The handle of the pointer to a C data structure.

戻り値

Returns the freshly created FFI\CData object.