#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
/**
*With doc attr, each attr contribute to one line of document
*like this one with a new line character at its end
*and this one as well. So they are in the same paragraph
*
*Line ends with one new line should not break
*
*Line ends with two spaces and a new line
*should break to next line
*
*Line ends with two new lines
*
*Should break to next paragraph
*/
void root(void);