uisok - Low level helper function for testing Unicode text data. Allegro game programming library.

       Low  level  helper  function  for  testing Unicode text data. Finds out if the character value `c' can be
       encoded correctly in the current format, which can be useful if you are converting from Unicode to  ASCII
       or another encoding format where the range of valid characters is limited.

       uisok - Low level helper function for testing Unicode text data. Allegro game programming library.

       Returns non-zero if the value can be correctly encoded, zero otherwise.

ugetc(3alleg4), ugetx(3alleg4), usetc(3alleg4), uwidth(3alleg4), ucwidth(3alleg4)

Allegro                                           version 4.4.3                                   uisok(3alleg4)

#include<allegro.h>intuisok(intc);