uisdigit (3) - Linux Manuals

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

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, '*');
   }