include #include <sys/ioctl.h> #include <linux/vt.h> int main(void) { int fd; char *device = "/dev/vcsa2"; char *console ... perror("VT_GETHIFONTMASK"); exit(EXIT_FAILURE); } (vo…include #include <sys/ioctl.h> #include <linux/vt.h> int main(void) { int fd; char *device = "/dev/vcsa2"; char *console ... perror("VT_GETHIFONTMASK"); exit(EXIT_FAILURE); } (vo…support the following commands: LIRC_GET_FEATURES ( void ) Returns a bit mask of combined features ... error ENOTTY . LIRC_GET_REC_MODE ( void ) If the lirc device has no receiver,…include <asm/dsp56k.h> ssize_t read(int fd , void * data , size_t length ); ssize_t write ... void * data , size_t length ); int ioctl(int fd , DSP56K_UPLOAD, struct dsp56k_upload …sys/mtio.h> int ioctl(int fd , int request [, (void *) arg3 ]); int ioctl(int fd , MTIOCTOP, (struct