CLOCK(3)                  386BSD 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
     occurs, in which case the return value is -1.

SEE ALSO
     getrusage(2)

STANDARDS
     The clock() function conforms to ANSI C3.159-1989 (``ANSI C'').

BSD Experimental                 June 29, 1991                               1