SYNOPSIS

#include <allegro.h>

int uisdigit(int c);

DESCRIPTION

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, '*');
   }

RELATED TO uisdigit…

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