roundup
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
# define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
#define roundup(x, y) ( \
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
#define roundup(x, y) ((((x) + ((y)-1)) / (y)) * (y)) /* to any y */
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */