debian man page for uisdigit

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

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)

Allegro 							   version 4.4.2						 uisdigit(3alleg4)