CLOCK(3) 1990 CLOCK(3)
NNAAMMEE
clock - determine processor time used
SSYYNNOOPPSSIISS
#include <sys/types.h>
clock_t
clock()
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_C_l_o_c_k returns the amount of processor time used since the
process invocation, measured in _C_L_K__T_C_K's.
On error, _c_l_o_c_k returns -1.
SSEEEE AALLSSOO
getrusage(2)
Printed 7/27/90 June 1