func (tr *Reader) numBytes() int64 {
	if tr.curr == nil {
		// No current file, so no bytes
		return 0
	}
	return tr.curr.numBytes()
}
// numBytes returns the number of bytes left to read in the current file's entry
// in the tar archive, or 0 if there is no current file.
numBytes returns the number of bytes left to read in the current file's entry
in the tar archive, or 0 if there is no current file.
// numBytes returns the number of bytes left to read in the current file ' s entry // in the tar archive or 0 if there is no current file .
func (tr *Reader) numBytes() int64 {
	if tr.curr == nil {
		return 0
	}
	return tr.curr.numBytes()
}
func ( tr * Reader ) numBytes ( ) int64 { if tr . curr == nil { return 0 } return tr . curr . numBytes ( ) }
numBytes returns the number of bytes left to read in the current file's entry
in the tar archive, or 0 if there is no current file.
numBytes returns the number of bytes left to read in the current file ' s entry in the tar archive or 0 if there is no current file .
// No current file, so no bytes