Provided by: allegro5-doc_5.0.10-2_all 

NAME
al_ustr_empty_string - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro.h> const ALLEGRO_USTR *al_ustr_empty_string(void)
DESCRIPTION
Return a pointer to a static empty string. The string is read only and must not be freed.