Origin for each line in xvfs-common.h from check-in 47dcf5fc27:

47dcf5fc27 2019-05-01    1: #ifndef XVFS_COMMON_H_1B4B28D60EBAA11D5FF85642FA7CA22C29E8E817
47dcf5fc27 2019-05-01    2: #define XVFS_COMMON_H_1B4B28D60EBAA11D5FF85642FA7CA22C29E8E817 1
47dcf5fc27 2019-05-01    3: 
47dcf5fc27 2019-05-01    4: #define XVFS_PROTOCOL_VERSION 1
47dcf5fc27 2019-05-01    5: 
47dcf5fc27 2019-05-01    6: #endif