gw_string_buffer_new
gw_string_buffer_new_from_str
gw_string_buffer_resize
gw_string_buffer_delete
gw_string_buffer_delete_all
gw_string_buffer_set_str
gw_string_buffer_append_str
gw_string_buffer_insert_str
gw_string_buffer_replace_str
gw_string_buffer_replace_chr
gw_string_buffer_get_str
gw_string_buffer_get_size
gw_string_buffer_free