KEVENT_SCAN_MASK
flags = (flags & ~KEVENT_SCAN_MASK) |
flags = (flags & ~KEVENT_SCAN_MASK) |
switch(flags & KEVENT_SCAN_MASK) {
flags = (flags & ~KEVENT_SCAN_MASK) | KEVENT_SCAN_INSERT_MARKER;
flags = (flags & ~KEVENT_SCAN_MASK) | KEVENT_SCAN_KEEP_MARKER;