It is a library routine that calls a system call. It isn't worth changing at this point.
> I find sysctl(3) in OpenBSD 6.2 is changed to system call in -current > (please refer the manual: https://man.openbsd.org/sysctl.2). > > So the sysctl would be a system call instead of library function in > future OpenBSD? > > Thanks in advance! > > Best Regards > Nan Xiao >