Retrieves the maximum allowed length of the text in @entry. See gtk_entry_set_max_length().
This is equivalent to getting @entry's #GtkEntryBuffer and calling gtk_entry_buffer_get_max_length() on it.
the maximum allowed number of characters in #GtkEntry, or 0 if there is no maximum.
See Implementation
Retrieves the maximum allowed length of the text in @entry. See gtk_entry_set_max_length().
This is equivalent to getting @entry's #GtkEntryBuffer and calling gtk_entry_buffer_get_max_length() on it.