clock(3)
Canonical URL: /clock.3/
CLOCK(3) Library
Functions Manual CLOCK(3)
NAME
clock —
determine processor time
used
SYNOPSIS
#include
<time.h>
clock_t
clock(void);
DESCRIPTION
The
clock()
function determines the amount of processor time used since the invocation
of the calling process, measured in
CLOCKS_PER_SECs.
RETURN VALUES
The clock() function returns the amount of
time used unless an error occurs, in which case the return value is -1.
SEE ALSO
STANDARDS
The clock() function conforms to
ANSI X3.159-1989
(“ANSI C89”).
OpenBSD 7.9 June
5, 2013 CLOCK(3)
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