sys_siglist(3) on FreeBSD

The text d0b1bd1697eb, as FreeBSD 3.0-RELEASE, FreeBSD 2.2.9-RELEASE, FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE shipped it.

system signal messages

sys_siglist(3) on FreeBSD now