#define NOARGC  /* no arg count passing */
#define FIXARGC /* don't expect arg counts passed in */
/*
   itoo -- converts nbr to octal string of length sz
           right adjusted and 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
*/
itoo(nbr, str, sz)  
int nbr;  
char str[];  
int sz;  
{
  int digit;
  if(sz>0) str[--sz]=0;
  else if(sz<0) sz = -sz;
  else while(str[sz]!=0) ++sz;
  while(sz) 
    {
    digit=nbr&7; nbr=(nbr>>3)&8191;
    str[--sz]=digit+48;
    if(nbr==0) break;
    }
  while(sz) str[--sz]=' ';
  return str;
}