Introduction - If you have any usage issues, please Google them yourself
include <stdio.h>/* Standard input and output definitions* /# include <stdlib.h>/* Standard function library definition* /# include <unistd.h>/* Unix standard function definition* /# include <sys/types.h>/** /# Include <sys/stat.h>/** /# Include <fcntl.h>/* File control definition* /# include <termios.h>/* PPSIX terminal control definitions* /# include <errno.h>/* Error number definitions* /# define TRUE 1# define FALSE 0 /***brief set of serial communication rate* @