mdoc(7) police: tidy up.

This commit is contained in:
Ruslan Ermilov 2002-03-18 16:18:33 +00:00
parent 3876d839e5
commit 241c7610c2

View File

@ -25,11 +25,11 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\" $FreeBSD$
.\"
.Dd Aug 11, 1999
.Dd August 11, 1999
.Dt TIMERADD 3
.Os BSD 4
.Os
.Sh NAME
.Nm timeradd ,
.Nm timersub ,
@ -38,30 +38,28 @@
.Nm timercmp
.Nd operations on timevals
.Sh SYNOPSIS
.Fd #include <sys/time.h>
.Fn timeradd "&tvp" "&uvp" "&vvp"
.Fn timersub "&tvp" "&uvp" "&vvp"
.Fn timerclear "&tvp"
.Fn timerisset "&tvp"
.Fn timercmp "&tvp" "&uvp" "cmp"
.In sys/time.h
.Ft void
.Fn timeradd "struct timeval *a" "struct timeval *b" "struct timeval *res"
.Ft void
.Fn timersub "struct timeval *a" "struct timeval *b" "struct timeval *res"
.Ft void
.Fn timerclear "struct timeval *tvp"
.Ft int
.Fn timerisset "struct timeval *tvp"
.Ft int
.Fn timercmp "struct timeval *a" "struct timeval *b" CMP
.Sh DESCRIPTION
.Pp
These macros are provided for manipulating
.Fa timeval
structures for use with the
.Fn gettimeofday
.Xr gettimeofday 2
and
.Fn settimeofday
.Xr settimeofday 2
calls.
The structures pointed to by
.Fa tvp ,
.Fa uvp ,
and
.Fa vvp
are defined in
.Ao Pa sys/time.h Ac
The structure is defined in
.Aq Pa sys/time.h
as:
.Pp
.Bd -literal
struct timeval {
long tv_sec; /* seconds since Jan. 1, 1970 */
@ -71,26 +69,26 @@ struct timeval {
.Pp
.Fn timeradd
adds the time information stored in
.Fa uvp
.Fa a
to
.Fa tvp
.Fa b
and stores the resulting
.Fa timeval
.Vt timeval
in
.Fa vvp .
.Fa res .
The results are simplified such that the value of
.Fa vvp->tv_usec
.Fa res->tv_usec
is always less than 1,000,000 (1 second).
.Pp
.Fn timersub
subtracts the time information stored in
.Fa uvp
.Fa b
from
.Fa tvp
.Fa a
and stores the resulting
.Fa timeval
.Vt timeval
in
.Fa vvp .
.Fa res .
.Pp
.Fn timerclear
initializes
@ -104,14 +102,14 @@ is set to any time value other than the Epoch.
.Pp
.Fn timercmp
compares
.Fa tvp
.Fa a
to
.Fa uvp
.Fa b
using the comparison operator given in
.Fa cmp
.Fa CMP ,
and returns the result of that comparison.
.Sh SEE ALSO
.Xr gettimeofday 2
.Xr gettimeofday 2
.Sh HISTORY
The
.Fn timeradd