#define NOARGC  /* no arg count passing */›#define FIXARGC /* don't expect arg counts passed in */›#include <stdio.h>›/*›** itou -- convert nbr to unsigned decimal string of width sz›**         right adjusted, blank filled; returns str›**›**        if sz > 0 terminate with null byte›**        if sz = 0 find end of string›**        if sz < 0 use last byte for data›*/›itou(nbr, str, sz)  ›int nbr;  ›char str[];  ›int sz;  ›$(›  int lowbit;›  if(sz>0) str[--sz]=NULL;›  else if(sz<0) sz = -sz;›  else while(str[sz]!=NULL) ++sz;›  while(sz) ›    $(›    lowbit=nbr&1;›    nbr=(nbr>>1)&32767;  /* divide by 2 */›    str[--sz]=((nbr%5)<<1)+lowbit+'0';›    if((nbr=nbr/5)==0) break;›    $)›  while(sz) str[--sz]=' ';›  return str;›$)›