clock---cumulative processor timeSynopsis
#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 -1.
Portability
ANSI C requires clock and CLOCKS_PER_SEC.
Supporting OS subroutine required: times.
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