uwidth_max - Number of bytes a character can occupy. Allegro game programming library.

       Low  level  helper  function for working with Unicode text data. Returns the largest number of bytes that
       one character can occupy in the given encoding format. Pass U_CURRENT to represent  the  current  format.
       Example:

          char *temp_buffer = malloc(256 * uwidth_max(U_UTF8));

       uwidth_max - Number of bytes a character can occupy. Allegro game programming library.

uwidth(3alleg4), ucwidth(3alleg4)

Allegro                                           version 4.4.3                              uwidth_max(3alleg4)

#include<allegro.h>intuwidth_max(inttype);