snmpmod(3) on FreeBSD
The text 2d39ab7760a5, as FreeBSD 11.0-RELEASE, FreeBSD 10.3-RELEASE, FreeBSD 10.2-RELEASE, FreeBSD 10.1-RELEASE, FreeBSD 10.0-RELEASE, FreeBSD 9.3-RELEASE, FreeBSD 9.2-RELEASE, FreeBSD 9.1-RELEASE, FreeBSD 9.0-RELEASE shipped it.
SNMP daemon loadable module interface