Sqlite sqlite3 vfs sqlite:sqlite.sqlite3_vfs Struct sqlite3_vfs# Fields iVersion mxPathname pAppData pNext szOsFile xAccess xCurrentTime xCurrentTimeInt64 xDelete xDlClose xDlError xDlOpen xDlSym xFullPathname xGetLastError xGetSystemCall xNextSystemCall xOpen xRandomness xSetSystemCall xSleep zName