.Xr confstr 3
variables provide information on the necessary compiler and linker flags
to use the standard programming environments described above.
+.Pp
+Many of these values are also available through the
+.Xr sysctl 8
+mechanism.
.Sh DIAGNOSTICS
.Ex -std
Use of a
.Sh SEE ALSO
.Xr pathconf 2 ,
.Xr confstr 3 ,
-.Xr sysconf 3
+.Xr sysconf 3 ,
+.Xr sysctl 8
.Sh STANDARDS
The
.Nm