uisdigit(3alleg4) Allegro manual uisdigit(3alleg4)

uisdigit - Tells if a character is a digit. Allegro game programming library.

#include <allegro.h>

int uisdigit(int c);

Returns nonzero if `c' is a digit.

   for (counter = 0; counter < ustrlen(text_string); counter++) {
      if (uisdigit(ugetat(text_string, counter)))
         usetat(text_string, counter, '*');
   }

uisspace(3alleg4), ugetc(3alleg4), usetc(3alleg4), uwidth(3alleg4), ucwidth(3alleg4), uisok(3alleg4)

version 4.4.3 Allegro