%{
#include <linux/key-type.h>
%}

function key_type:string(_ptr:long)
%{
	struct key_type *type = (struct key_type *)(long)kread(&(THIS->_ptr)); 

	snprintf(THIS->__retvalue, MAXSTRINGLEN, "%s", type->name);

	CATCH_DEREF_FAULT();	
%}