abbreviation

usr	user
passwd	password
tmp	temp
dmp	dump
db	database
src	source
dst	destination
ctor	constructor
dtor	destructor
pros
cons
	key
val	value
sync	synchronous
async	asynchronous
info	information
warn	warning
err	error
alloc	allocation
dealloc	deallocation
	acquire
	release
opt	option
func	function
ptr	pointer