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 ceill()                 Calculate Long Double Ceiling Value

 #include    <math.h>

 long double ceill(x);
 long double x;

    This is the long double version of ceil(); it calculates the long
    double precision floating point value corresponding to the
    smallest integer that is . x. See ceil() for more information.

    Returns:    The long double result rounded up.

 Portability:   Not supported by the ANSI standard.