NAME    [Toc]    [Back]

     clock - determine processor time used

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <time.h>

     clock_t
     clock(void);

DESCRIPTION    [Toc]    [Back]

     The clock() function determines the amount of processor time used since
     the invocation of the calling process, measured in CLOCKS_PER_SECs.

RETURN VALUES    [Toc]    [Back]

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

SEE ALSO    [Toc]    [Back]

     getrusage(2)

STANDARDS    [Toc]    [Back]

     The clock() function conforms to ANSI X3.159-1989 (``ANSI C'').

BSD                              June 4, 1993                              BSD