NAME

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

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, '*');
          }

SEE ALSO

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