#include "fmt.h"

unsigned int fmt_ulong(s,u) register char *s; register unsigned long u;

{

register unsigned int len; register unsigned long q;

len = 1; q = u;

while (q > 9) { ++len; q /= 10; }

if (s) {

s += len;

do { *--s = '0' + (u % 10); u /= 10; } while(u); /* handles u == 0 */

}

return len;

}