CLOCK(3) NEWLIB CLOCK(3)NAME
9.2 `clock'--cumulative processor time
SYNOPSIS
#include <time.h>
clock_t clock(void);
DESCRIPTION
Calculates the best available approximation of the cumulative amount of
time used by your program since it started. To convert the result into
seconds, divide by the macro `CLOCKS_PER_SEC'.
RETURNS
The amount of processor time used so far by your program, in units
defined by the machine-dependent macro `CLOCKS_PER_SEC'. If no mea‐
surement is available, the result is (clock_t)`-1'.
PORTABILITY
ANSI C requires `clock' and `CLOCKS_PER_SEC'.
Supporting OS subroutine required: `times'.
SEE ALSOclock is part of the library. The full documentation for is maintained
as a Texinfo manual. If info and are properly installed at your site,
the command
info
will give you access to the complete manual.
NEWLIB April 2010 CLOCK(3)
