pub unsafe extern "C" fn gtk_text_buffer_insert_child_anchor(
buffer: *mut GtkTextBuffer,
iter: *mut GtkTextIter,
anchor: *mut GtkTextChildAnchor,
)pub unsafe extern "C" fn gtk_text_buffer_insert_child_anchor(
buffer: *mut GtkTextBuffer,
iter: *mut GtkTextIter,
anchor: *mut GtkTextChildAnchor,
)