Lines of xvfs-core.h from check-in e5b6962adf that are changed by the sequence of edits moving toward check-in d121970301:

                         1: #ifndef XVFS_COMMON_H_1B4B28D60EBAA11D5FF85642FA7CA22C29E8E817
                         2: #define XVFS_COMMON_H_1B4B28D60EBAA11D5FF85642FA7CA22C29E8E817 1
                         3: 
                         4: #include <tcl.h>
                         5: 
                         6: #define XVFS_PROTOCOL_VERSION 1
                         7: 
                         8: typedef const char **(*xvfs_proc_getChildren_t)(const char *path, Tcl_WideInt *count);
                         9: typedef const unsigned char *(*xvfs_proc_getData_t)(const char *path, Tcl_WideInt start, Tcl_WideInt *length);
                        10: 
                        11: struct Xvfs_FSInfo {
                        12: 	int                      protocolVersion;
e5b6962adf 2019-05-02   13: 	const char               *fsName;
                        14: 	xvfs_proc_getChildren_t  getChildrenProc;
                        15: 	xvfs_proc_getData_t      getDataProc;
                        16: };
                        17: 
                        18: int Xvfs_Register(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo);
                        19: 
                        20: #endif