Reference

gelf_xlatetof(3) on FreeBSD

The text cc3e7ccff962, as FreeBSD 12.0-RELEASE, FreeBSD 11.4-RELEASE, FreeBSD 11.3-RELEASE, FreeBSD 11.2-RELEASE, FreeBSD 11.1-RELEASE, FreeBSD 11.0-RELEASE shipped it.

translate data between files and memory

gelf_xlatetof(3) on FreeBSD now