break (1p)           - exit from for, while, or until loop
continue (1p)        - continue for, while, or until loop
ldns-gen-zone (1)    - read a zonefile and print it while adding DS records a...
pthread_cleanup_pop_restore_np (3) - push and pop thread cancellation clean-u...
pthread_cleanup_push_defer_np (3) - push and pop thread cancellation clean-up...