empty_string(3) - Linux man page
Name
empty_string - Universal string NULL terminator. Allegro game programming library.
Synopsis
#include <allegro.h>
extern char empty_string[];
Description
You can't just rely on "" to be a valid empty string in any encoding format. This global buffer
contains a number of consecutive zeros, so it will be a valid empty string no matter whether the program is running in ASCII, Unicode, or UTF-8 mode.
Referenced By
get_datafile_property(3),
ustrsize(3),
ustrsizez(3)