while(feed) - phpMan

break (1p)           - exit from for, while, or until loop
continue (1p)        - continue for, while, or until loop
grub2-get-kernel-settings (3) - Evaluate the system's kernel installation set...
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...