al_ustr_size_utf16 - Man Page

#include <allegro5/allegro.h>

size_t al_ustr_size_utf16(const ALLEGRO_USTR *us)

Returns the number of bytes required to encode the string in UTF-16 (including the terminating 0). Usually called before al_ustr_encode_utf16(3) to determine the size of the buffer to allocate.

al_ustr_size(3)

al_ustr_encode_utf16(3).