Manpage of CLOCK
CLOCK
Section: NEWLIB (3)
Updated: 2005 Feb 23
Index
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NAME
8.2 `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
measurement is available, the result is (clock_t)`-1'.
PORTABILITY
ANSI C requires `clock' and `CLOCKS_PER_SEC'.
Supporting OS subroutine required: `times'.
SEE ALSO
clock
is part of the
libc
library.
The full documentation for
libc
is maintained as a Texinfo manual. If
info
and
libc
are properly installed at your site, the command
-
info libc
will give you access to the complete manual.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURNS
-
- PORTABILITY
-
- SEE ALSO
-
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