#include <stdio_h>
/*
**  otoi -- convert unsigned octal string to integer nbr
**          returns field size, else ERR on error
*/
otoi(octstr, nbr) char *octstr;  int *nbr; {
  int d, t; d=0;
  *nbr=0;
  while((*octstr>='0')&(*octstr<='7')) {
    t=*nbr;
    t=(t<<3) + (*octstr++ - '0');
    if ((t>=0&(*nbr<0))) return ERR;
    d++; *nbr=t;
  }
  return d;
}