Analysis of information sources in references of the Wikipedia article "Envsys" in English language version.
sysmon_envsys_register()
". BSD Cross Reference. NetBSD.ENVSYS_STEMP
". BSD Cross Reference. NetBSD.#define _PATH_SYSMON "/dev/sysmon"
This API is experimental and may be deprecated at any time ... This entire API should be replaced by a sysctl(8) interface or a kernel events mechanism, should one be developed.