pub unsafe extern "C" fn gtk_text_buffer_insert_markup(
buffer: *mut GtkTextBuffer,
iter: *mut GtkTextIter,
markup: *const c_char,
len: c_int,
)
pub unsafe extern "C" fn gtk_text_buffer_insert_markup(
buffer: *mut GtkTextBuffer,
iter: *mut GtkTextIter,
markup: *const c_char,
len: c_int,
)