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CLOCK(3)                NetBSD Library Functions Manual               CLOCK(3)


NAME

     clock -- determine processor time used


LIBRARY

     Standard C Library (libc, -lc)


SYNOPSIS

     #include <time.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 CLOCKS_PER_SECs.


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 X3.159-1989 (``ANSI C89'').

NetBSD 8.3                       June 4, 1993                       NetBSD 8.3