pub unsafe extern "C" fn gtk_printer_new(
name: *const c_char,
backend: *mut GtkPrintBackend,
virtual_: gboolean,
) -> *mut GtkPrinter
pub unsafe extern "C" fn gtk_printer_new(
name: *const c_char,
backend: *mut GtkPrintBackend,
virtual_: gboolean,
) -> *mut GtkPrinter