func PackTversion(fc *Fcall, msize uint32, version string) error {
	size := 4 + 2 + len(version)  
	p, err := packCommon(fc, size, Tversion)
	if err != nil {
		return err
	}
	fc.Msize = msize
	fc.Version = version
	p = pint32(msize, p)
	p = pstr(version, p)
	return nil
}
Create a Tversion message in the specified Fcall.
package p