CEIL(3)

NAME
       ceil - smallest integral value not less than x

SYNOPSIS
       #include <<math.h>>

       double ceil (double x);

DESCRIPTION
       The  ceil() function rounds x upwards to the nearest inte-
       ger, returning that value as a double.

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899

SEE ALSO
       abs(3) fabs(3) floor(3) labs(3) rint(3)