echo ${BASH_ALIASES[@]}

alias foo=/usr/sbin/foo
alias qux='/usr/local/bin/qux -l'

echo ${!BASH_ALIASES[@]}
recho ${BASH_ALIASES[@]}

BASH_ALIASES[blat]='cd /blat ; echo $PWD'
BASH_ALIASES[sh]='/bin/bash --login -o posix'

alias -p

echo ${!BASH_ALIASES[@]}
recho "${BASH_ALIASES[@]}"