man ucwidth () - Low level helper function for testing Unicode text data. Allegro game programming library.
NAME
ucwidth - Low level helper function for testing Unicode text data. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
int ucwidth(int c);
DESCRIPTION
Low level helper function for testing Unicode text data.
RETURN VALUE
Returns the number of bytes that would be occupied by the specified character value, when encoded in the current format.