Function OpenUndoFile

src/validation.cpp:4056–4058

Open an undo file (rev?????.dat) */

/** Open an undo file (rev?????.dat) */
static FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly) {
    return OpenDiskFile(pos, "rev", fReadOnly);
}

fs::path GetBlockPosFilename(const CDiskBlockPos &pos, const char *prefix)
{