#include <pkgconf/system.h>     /* which packages are enabled/disabled */#ifdef CYGPKG_KERNEL# include <pkgconf/kernel.h>#endif#ifdef CYGPKG_LIBC# include <pkgconf/libc.h>#endif#ifdef CYGPKG_IO_SERIAL# include <pkgconf/io_serial.h>#endif#ifndef CYGFUN_KERNEL_API_C# error Kernel API must be enabled to build this application#endif#ifndef CYGPKG_LIBC_STDIO# error C library standard I/O must be enabled to build this application#endif#ifndef CYGPKG_IO_SERIAL_HALDIAG# error I/O HALDIAG pseudo-device driver must be enabled to build this application#endif/* INCLUDES */#include <stdio.h>                      /* printf */#include <stdlib.h>                      /* printf */#include <string.h>                     /* strlen */#include <cyg/kernel/kapi.h>            /* All the kernel specific stuff */#include <cyg/infra/diag.h>        #define MWINCLUDECOLORS#include "nano-X.h"//// Component interfaces//externC int nxkbd_main(int argc, char *argv[]);int nxkbd_thread(CYG_ADDRWORD data){    int argc = 0;    char **argv;    INIT_PER_THREAD_DATA();    nxkbd_main(argc, argv);}