NAME
clock
—
determine processor time
used
LIBRARY
library “libc”
SYNOPSIS
#include
<time.h>
clock_t
clock
(void);
DESCRIPTION
Theclock
()
function determines the amount of processor time used since the invocation of
the calling process, measured in CLOCKS_PER_SEC
s.
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”).