#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;
}