NAME
    runtime - user runtime

SYNOPSIS
    runtime()

TYPES
    return	nonnegative real

DESCRIPTION
    Returns the current user mode cpu runtime in seconds.

EXAMPLE
    The result for this example will depend on the speed and number of
    of clock-ticks per second for the computer being used.
    The result is a multiple of 1/CLK_TCK, where CLK_TCK is
    usually 60.  The following is for a XXX machine.

    > t = runtime();
    > pi = pi(1e-1000);
    > runtime() - t;
	.2

LIMITS
    none

LIBRARY
    none

SEE ALSO
    ctime