#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; }