uwidth - Low level helper function for testing Unicode text data.
Allegro game programming library.
#include <allegro.h>
int uwidth(const char *s);
Low level helper function for testing Unicode text data.
Returns the number of bytes occupied by the first character of the
specified string, in the current encoding format.
uwidth_max(3alleg), ugetc(3alleg), ugetx(3alleg), usetc(3alleg),
ucwidth(3alleg), uisok(3alleg)