ping_setopt(3): Document the new "PING_OPT_TOS" option.
ping_setopt(3): Document the new "PING_OPT_TOS" option.

octo/liboping,octo/liboping,barak/liboping,iseki-masaya/liboping,octo/liboping,octo/liboping,iseki-masaya/liboping,iseki-masaya/liboping,barak/liboping,barak/liboping,iseki-masaya/liboping