This keeps getting reposted/rehashed regularly. And the code is there for those wanting to look into system include headers, like sys/queue.h (I haven't actuall

This keeps getting reposted/rehashed regularly. And the code is there for those wanting to look into system include headers, like sys/queue.h (I haven't actually checked for chicken and egg scenario in commit history of various libc implementation, but would hope that double pointer has always been there)