/* Error and warning handlers installed when the PNG library
is initialized. */
-static void my_png_error (png_struct *, const char *) NO_RETURN;
-static void
+static _Noreturn void
my_png_error (png_struct *png_ptr, const char *msg)
{
xassert (png_ptr != NULL);
};
-static void my_error_exit (j_common_ptr) NO_RETURN;
-static void
+static _Noreturn void
my_error_exit (j_common_ptr cinfo)
{
struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;