pub unsafe extern "C" fn gtk_property_expression_new(
this_type: GType,
expression: *mut GtkExpression,
property_name: *const c_char,
) -> *mut GtkPropertyExpression
pub unsafe extern "C" fn gtk_property_expression_new(
this_type: GType,
expression: *mut GtkExpression,
property_name: *const c_char,
) -> *mut GtkPropertyExpression