#if 0

#include <unistd.h>

int ftruncate(int fildes, off_t length)
{
	/*
	__POSIX_MIN(199309L);
	__POSIX_OPTION_OR(_MAPPED_FILES, _SHARED_MEMORY);
	__XOPEN_MIN(450);
	__SC(int, fildes, length);
	*/
}

/*
XOPEN(400)
POSIX(199309)
*/


#endif