create proper docs for timer{add,clear,sub,isset,cmp}

1 files changed, 44 insertions, 24 deletions

diff --git a/lib/libc/sys/getitimer.2 b/lib/libc/sys/getitimer.2
index 320d3d269f8..a5f7869e7b8 100644
--- a/lib/libc/sys/getitimer.2
+++ b/lib/libc/sys/getitimer.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getitimer.2,v 1.12 2000/10/18 05:12:09 aaron Exp $
+.\"	$OpenBSD: getitimer.2,v 1.13 2000/12/23 03:04:34 deraadt Exp $
 .\"	$NetBSD: getitimer.2,v 1.6 1995/10/12 15:40:54 jtc Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
@@ -51,6 +51,16 @@
 .Fn getitimer "int which" "struct itimerval *value"
 .Ft int
 .Fn setitimer "int which" "const struct itimerval *value" "struct itimerval *ovalue"
+.Ft void
+.Fn timerclear "struct timeval *"
+.Ft int
+.Fn timerisset "struct timeval *"
+.Ft int
+.Fn timercmp "struct timeval *a, struct timeval *b, CMP"
+.Ft void
+.Fn timersub "struct timeval *a, struct timeval *b, struct timeval *res"
+.Ft void
+.Fn timeradd "struct timeval *a, struct timeval *a, struct timeval *res"
 .Sh DESCRIPTION
 The system provides each process with three interval timers,
 defined in
@@ -130,33 +140,43 @@ signal is delivered.
 Because this signal may interrupt in-progress
 system calls, programs using this timer must be prepared to
 restart interrupted system calls.
-.Sh NOTES
-Five macros for manipulating time values are defined in
-.Ao Pa sys/time.h Ac :
 .Pp
-.Bl -tag -width xxxx
-.It Fn timerclear "struct timeval *"
-Sets a time value to zero.
-.It Fn timerisset "struct timeval *"
-Tests if a time value is non-zero.
-.It Fn timercmp "struct timeval *a, struct timeval *b, CMP"
-Compares two time values in the form
-.Va a
+The remaining five functions are in fact macros for manipulating time
+values, defined in
+.Ao Pa sys/time.h Ac .
+.Pp
+.Fn timerclear "a"
+sets the time value in
+.Fa a
+to zero.
+.Pp
+.Fn timerisset "a"
+tests if the time value in
+.Fa a
+is non-zero.
+.Pp
+.Fn timercmp "a, b, CMP"
+compares two time values in the form
+.Fa a
 CMP
-.Va b Ns ,
-where CMP is <, =, or >
-(beware that >= and <= do not work with this macro).
-.It Fn timersub "struct timeval *a, struct timeval *b, struct timeval *res"
-Subtracts
-.Va a
+.Fa b Ns ,
+where
+.Fa CMP
+is <, =, or > .
+Beware that >= and <= do not work with this macro.
+.Pp
+.Fn timersub "a, b, res"
+subtracts
+.Fa a
 -
-.Va b
+.Fa b
 and stores the result in
-.Va res Ns .
-.It Fn timeradd "struct timeval *a, struct timeval *a, struct timeval *res"
-Adds two timers and stores the result in
-.Va res Ns .
-.El
+.Fa res Ns .
+.Pp
+.Fn timeradd "a, a, res"
+adds two timers and stores the result in
+.Fa res Ns .
+.Pp
 .Sh RETURN VALUES
 If the calls succeed, a value of 0 is returned.
 If an error occurs, the value \-1 is returned, and a more precise