[unix-history] / usr / src / lib / libc / gen / clock.3

.\" Copyright (c) 1989 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" %sccs.include.redist.man%
.\"
.\"	@(#)clock.3	5.2 (Berkeley) %G%
.\"
.TH CLOCK 3 ""
.AT 3
.SH NAME
clock - determine processor time used
.SH SYNOPSIS
.nf
#include <sys/types.h>

clock_t
clock()
.fi
.SH DESCRIPTION
.I Clock
returns the amount of processor time used since the process
invocation, measured in
.IR CLK_TCK 's.
.PP
On error,
.I clock
returns -1.
.SH "SEE ALSO"
getrusage(2)
Commit	Line	Data
936cff82 KB	1	.\" Copyright (c) 1989 The Regents of the University of California.
	2	.\" All rights reserved.
	3	.\"
91cff1e1	4	.\" %sccs.include.redist.man%
936cff82	5	.\"
91cff1e1	6	.\" @(#)clock.3 5.2 (Berkeley) %G%
936cff82 KB	7	.\"
	8	.TH CLOCK 3 ""
	9	.AT 3
	10	.SH NAME
	11	clock - determine processor time used
	12	.SH SYNOPSIS
	13	.nf
	14	#include <sys/types.h>
	15
	16	clock_t
	17	clock()
	18	.fi
	19	.SH DESCRIPTION
	20	.I Clock
	21	returns the amount of processor time used since the process
	22	invocation, measured in
	23	.IR CLK_TCK 's.
	24	.PP
	25	On error,
	26	.I clock
	27	returns -1.
	28	.SH "SEE ALSO"
	29	getrusage(2)