diff options
Diffstat (limited to 'lib/libc/gen/sysctl.3')
| -rw-r--r-- | lib/libc/gen/sysctl.3 | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3 index 7c35a4790b1..fe12328fa7e 100644 --- a/lib/libc/gen/sysctl.3 +++ b/lib/libc/gen/sysctl.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sysctl.3,v 1.14 1999/05/27 20:49:34 aaron Exp $ +.\" $OpenBSD: sysctl.3,v 1.15 1999/05/29 20:07:14 aaron Exp $ .\" .\" Copyright (c) 1993 .\" The Regents of the University of California. All rights reserved. @@ -80,16 +80,20 @@ and that location gives the amount of data copied after a successful call. If the amount of data available is greater than the size of the buffer supplied, the call supplies as much data as fits in the buffer provided -and returns with the error code ENOMEM. +and returns with the error code +.Er ENOMEM . If the old value is not desired, .Fa oldp and .Fa oldlenp -should be set to NULL. +should be set to +.Dv NULL . .Pp The size of the available data can be determined by calling .Nm sysctl -with a NULL parameter for +with a +.Dv NULL +parameter for .Fa oldp . The size of the available data will be returned in the location pointed to by .Fa oldlenp . @@ -105,7 +109,9 @@ is set to point to a buffer of length from which the requested value is to be taken. If a new value is not to be set, .Fa newp -should be set to NULL and +should be set to +.Dv NULL +and .Fa newlen set to 0. .Pp |