}

func BpxOpen(name string, options *BpxFilestatus, mode *BpxMode) (rv int32, rc int32, rn int32) {
	if len(name) < 1024 {
		var namebuf [1024]byte
		sz := int32(copy(namebuf[:], name))
		A2e(namebuf[:sz])
		var parms [7]unsafe.Pointer
		parms[0] = unsafe.Pointer(&sz)
		parms[1] = unsafe.Pointer(&namebuf[0])
		parms[2] = unsafe.Pointer(options)
		parms[3] = unsafe.Pointer(mode)
		parms[4] = unsafe.Pointer(&rv)

	i, l := n.ReadVarint(1)
	off := 1 + i + l
	if *n.Data(0)&(1<<1) != 0 {
		i2, l2 := n.ReadVarint(off)
		off += i2 + l2
	}
	var nameOff nameOff
	copy((*[4]byte)(unsafe.Pointer(&nameOff))[:], (*[4]byte)(unsafe.Pointer(n.Data(off)))[:])
	pkgPathName := resolveNameOff(unsafe.Pointer(n.Bytes), nameOff)
	return pkgPathName.Name()
}

// typelinksinit scans the types from extra modules and builds the

		i2, l2 := n.ReadVarint(off)
		off += i2 + l2
	}
	var nameOff int32
	// Note that this field may not be aligned in memory,
	// so we cannot use a direct int32 assignment here.
	copy((*[4]byte)(unsafe.Pointer(&nameOff))[:], (*[4]byte)(unsafe.Pointer(n.DataChecked(off, "name offset field")))[:])
	pkgPathName := name{(*byte)(resolveTypeOff(unsafe.Pointer(n.Bytes), nameOff))}
	return pkgPathName.name()
}

/*

	// versions of types with GC programs.
	// These types need to be deallocated when the underlying object
	// is freed.
	TFlagUnrolledBitmap TFlag = 1 << 4
)

// NameOff is the offset to a name from moduledata.types.  See resolveNameOff in runtime.
type NameOff int32

// TypeOff is the offset to a type from moduledata.types.  See resolveTypeOff in runtime.
type TypeOff int32

				break
			}
		}
	}
	return res, true
}

// funcName returns the string at nameOff in the function name table.
func (md *moduledata) funcName(nameOff int32) string {
	if nameOff == 0 {
		return ""
	}
	return gostringnocopy(&md.funcnametab[nameOff])
}

// FuncForPC returns a *[Func] describing the function that contains the
// given program counter address, or else nil.

	FilterUnassociatedComments
	// If set, duplicate import declarations are excluded.
	FilterImportDuplicates
)

// nameOf returns the function (foo) or method name (foo.bar) for
// the given function declaration. If the AST is incorrect for the
// receiver, it assumes a function instead.
func nameOf(f *FuncDecl) string {
	if r := f.Recv; r != nil && len(r.List) == 1 {
		// looks like a correct receiver declaration

		i := &inter.Methods[k]
		itype := toRType(&inter.Type).typeOff(i.Typ)
		name := toRType(&inter.Type).nameOff(i.Name)
		iname := name.Name()
		ipkg := pkgPath(name)
		if ipkg == "" {
			ipkg = inter.PkgPath.Name()
		}
		for ; j < nt; j++ {
			t := &xmhdr[j]
			rtyp := toRType(typ)
			tname := rtyp.nameOff(t.Name)
			if rtyp.typeOff(t.Mtyp) == itype && tname.Name() == iname {
				pkgPath := pkgPath(tname)

			v.Fatalf("spill/restore type %s doesn't fit in slot type %s", v.Type, loc.Type)
		}
		return loc.N, loc.Off
	}
	// Assume it is a register, return its spill slot, which needs to be live
	nameOff := v.Aux.(*AuxNameOffset)
	return nameOff.Name, nameOff.Offset
}

// CanSSA reports whether values of type t can be represented as a Value.
func CanSSA(t *types.Type) bool {
	types.CalcSize(t)
	if t.Size() > int64(4*types.PtrSize) {

// See go.dev/issue/67401.
//
//go:linkname reflect_resolveNameOff reflect.resolveNameOff
func reflect_resolveNameOff(ptrInModule unsafe.Pointer, off int32) unsafe.Pointer {
	return unsafe.Pointer(resolveNameOff(ptrInModule, nameOff(off)).Bytes)
}

// reflect_resolveTypeOff resolves an *rtype offset from a base type.
//
// reflect_resolveTypeOff is meant for package reflect,
// but widely used packages access it using linkname.

		return unicode.IsUpper(r)
	}
	panic("methodref has no signature")
}

// decodeMethodSig decodes an array of method signature information.
// Each element of the array is size bytes. The first 4 bytes is a
// nameOff for the method name, and the next 4 bytes is a typeOff for
// the function type.
//
// Conveniently this is the layout of both runtime.method and runtime.imethod.