__ultoa
return (__ultoa((u_long)val, endp, base, octzero, xdigs));
static CHAR *__ultoa(u_long, CHAR *, int, int, const char *);
cp = __ultoa(ulval, cp, base,
cp = __ultoa(ulval, cp, base,
p = __ultoa(uu, pe, rdx, digit, ngrp, thousands_sep, grouping);