oo[bnm] [...] see oo? for help
ooreopen current fileoo+reopen in read-writeoobreopen loading rbin infooodreopen in debug modeoomreopen in malloc://oonreopen without loading rbin infooon+reopen in read-write mode without loading rbin infooonnreopen without loading rbin info, but with header flagsoonn+reopen in read-write mode without loading rbin info, but with
oo oo+ oob ood oom oon oon+ oonn oonn+