CLOCK(3) MachTen Programmer’s Manual CLOCK(3)

NAME
clock - determine processor time used

SYNOPSIS
#include <sys/types.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 CLK_TCKs.

RETURN VALUES
The clock() function returns the amount of time used unless an error oc-
curs, in which case the return value is -1.

SEE ALSO
getrusage(2)

STANDARDS
The clock() function conforms to ANSI C3.159-1989 (‘‘ANSI C’’).

4.4BSD June 4, 1993 1