sys/queue.h It has singly-linked list, lists, simple queues, tail queues and circular queues. If you're comfortable with Linux kernel style lists, then sys/qu

sys/queue.h It has singly-linked list, lists, simple queues, tail queues and circular queues. If you're comfortable with Linux kernel style lists, then sys/queue.h will be familiar, and it's shipping in glibc and on BSD systems (where it was originally from).