#include "scan.h"

unsigned int scan_ulong(s,u) register char *s; register unsigned long *u;
{
 register unsigned int pos; register unsigned long result;
 register unsigned long c;
 pos = 0; result = 0;
 while ((c = (unsigned long) (unsigned char) (s[pos] - '0')) < 10)
  { result = result * 10 + c; ++pos; }
 *u = result; return pos;
}
