/* * (C) Finite State Machine Labs Inc. 2000 business@fsmlabs.com * * Released under the terms of GPL 2. * Open RTLinux makes use of a patented process described in * US Patent 5,995,745. Use of this process is governed * by the Open RTLinux Patent License which can be obtained from * www.fsmlabs.com/PATENT or by sending email to * licensequestions@fsmlabs.com */#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <unistd.h>#include <stdio.h>#include <errno.h>int main(void){	int fd;	char inbuf[15];	int i;	fd = open("/dev/rtf0", O_RDONLY);	for (i = 0; i < 150; i++) {		read(fd, inbuf, 14);		if ((strncmp("I'm still here", inbuf, 15)) != 0) {			fprintf(stderr, "inbuf: %s\n", inbuf);			return -1;		}	}	return 0;}