#define NOARGC  /* no arg count passing */›#define FIXARGC /* don't expect arg counts passed in */›#include <stdio.h>›/*›** itod -- convert nbr to signed 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›*/›itod(nbr, str, sz)  ›int nbr;  ›char str[];  ›int sz;  ›$(›  char sgn;›  if(nbr<0) $(nbr = -nbr; sgn='-';$)›  else sgn=' ';›  if(sz>0) str[--sz]=NULL;›  else if(sz<0) sz = -sz;›  else while(str[sz]!=NULL) ++sz;›  while(sz) ›    $(›    str[--sz]=(nbr%10+'0');›    if((nbr=nbr/10)==0) break;›    $)›  if(sz) str[--sz]=sgn;›  while(sz>0) str[--sz]=' ';›  return str;›$)›