queues, what queues?

grep_symbols()
{
    found=$(nm "$1" 2>/dev/null | grep -E '([ ]msgsnd)|([ ]msgrcv)|([ ]mq_send)|([ ]mq_receive)' )
    [ -n "${found}" ] && echo -e "\n$1 : '$found'"
}

export -f grep_symbols

for loc in ${PATH//:/ } /lib /lib64 /usr/lib /usr/lib64; do
    find "${loc}" -type f | while read file; do
        grep_symbols "${file}"
    done
done