Creates a new #GString, initialized with the given string.
After this call, init belongs to the #GString and may no longer be
modified by the caller. The memory of data has to be dynamically
allocated and will eventually be freed with glib.global.gfree.
Creates a new #GString, initialized with the given string.
After this call, init belongs to the #GString and may no longer be modified by the caller. The memory of data has to be dynamically allocated and will eventually be freed with glib.global.gfree.