wire |= (uint64(b) & 0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		wireType := int(wire & 0x7)
		switch wireType {
		case 0:
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return 0, ErrIntOverflowGenerated
				}
				if iNdEx >= l {
					return 0, io.ErrUnexpectedEOF
				}
				iNdEx++
				if dAtA[iNdEx-1] < 0x80 {
					break
				}
			}
		case 1:

	}
	if bytes[0] == 0 && bytes[1]&0x80 == 0 || bytes[0] == 0xff && bytes[1]&0x80 == 0x80 {
		// Value is not minimally encoded.
		return false
	}
	return true
}

var bigOne = big.NewInt(1)

func (s *String) readASN1BigInt(out *big.Int) bool {
	var bytes String
	if !s.ReadASN1(&bytes, asn1.INTEGER) || !checkASN1Integer(bytes) {
		return false
	}
	if bytes[0]&0x80 == 0x80 {
		// Negative number.

			wire |= (uint64(b) & 0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		wireType := int(wire & 0x7)
		switch wireType {
		case 0:
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return 0, ErrIntOverflowGenerated
				}
				if iNdEx >= l {
					return 0, io.ErrUnexpectedEOF
				}
				iNdEx++
				if dAtA[iNdEx-1] < 0x80 {
					break
				}
			}
		case 1:

			wire |= (uint64(b) & 0x7F) << shift
			if b < 0x80 {
				break
			}
		}
		wireType := int(wire & 0x7)
		switch wireType {
		case 0:
			for shift := uint(0); ; shift += 7 {
				if shift >= 64 {
					return 0, ErrIntOverflowGenerated
				}
				if iNdEx >= l {
					return 0, io.ErrUnexpectedEOF
				}
				iNdEx++
				if dAtA[iNdEx-1] < 0x80 {
					break
				}
			}
		case 1:

	O_FSYNC                          = 0x4010
	O_LARGEFILE                      = 0x2000
	O_NDELAY                         = 0x80
	O_NOATIME                        = 0x40000
	O_NOCTTY                         = 0x800
	O_NOFOLLOW                       = 0x20000
	O_NONBLOCK                       = 0x80
	O_PATH                           = 0x200000
	O_RSYNC                          = 0x4010
	O_SYNC                           = 0x4010

	O_FSYNC                          = 0x4010
	O_LARGEFILE                      = 0x0
	O_NDELAY                         = 0x80
	O_NOATIME                        = 0x40000
	O_NOCTTY                         = 0x800
	O_NOFOLLOW                       = 0x20000
	O_NONBLOCK                       = 0x80
	O_PATH                           = 0x200000
	O_RSYNC                          = 0x4010
	O_SYNC                           = 0x4010

	O_FSYNC                          = 0x4010
	O_LARGEFILE                      = 0x2000
	O_NDELAY                         = 0x80
	O_NOATIME                        = 0x40000
	O_NOCTTY                         = 0x800
	O_NOFOLLOW                       = 0x20000
	O_NONBLOCK                       = 0x80
	O_PATH                           = 0x200000
	O_RSYNC                          = 0x4010
	O_SYNC                           = 0x4010

	TIOCM_CAR                        = 0x40
	TIOCM_CD                         = 0x40
	TIOCM_CTS                        = 0x20
	TIOCM_DSR                        = 0x100
	TIOCM_RI                         = 0x80
	TIOCM_RNG                        = 0x80
	TIOCM_SR                         = 0x10
	TIOCM_ST                         = 0x8
	TIOCNOTTY                        = 0x20007471
	TIOCNXCL                         = 0x2000740e

	BPX4PTR = 320  // ptrace
)

const (
	//options
	//byte1
	BPX_OPNFHIGH = 0x80
	//byte2
	BPX_OPNFEXEC = 0x80
	//byte3
	BPX_O_NOLARGEFILE = 0x08
	BPX_O_LARGEFILE   = 0x04
	BPX_O_ASYNCSIG    = 0x02
	BPX_O_SYNC        = 0x01
	//byte4
	BPX_O_CREXCL   = 0xc0
	BPX_O_CREAT    = 0x80
	BPX_O_EXCL     = 0x40
	BPX_O_NOCTTY   = 0x20
	BPX_O_TRUNC    = 0x10
	BPX_O_APPEND   = 0x08

	INPCK    = 0x10
	ISTRIP   = 0x20
	INLCR    = 0x40
	IGNCR    = 0x80
	ICRNL    = 0x100
	IUCLC    = 0x200
	IXON     = 0x400
	IXANY    = 0x800
	IXOFF    = 0x1000
	IMAXBEL  = 0x2000
	IUTF8    = 0x4000
	OPOST    = 0x1
	OLCUC    = 0x2
	ONLCR    = 0x4
	OCRNL    = 0x8
	ONOCR    = 0x10
	ONLRET   = 0x20
	OFILL    = 0x40
	OFDEL    = 0x80
	B0       = 0x0
	B50      = 0x1
	B75      = 0x2