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#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/kd.h>
#include <stdlib.h>
#include <unistd.h>
void die(char * mess) {
perror(mess);
exit(1);
}
int main(void) {
char font[8192];
unsigned short map[E_TABSZ];
struct unipair descs[2048];
struct unimapdesc d;
int fd;
if ((fd = open("/dev/tty1", O_RDONLY)) < 0)
die("open");
if (ioctl(fd, GIO_FONT, font))
die("GIO_FONT");
if (ioctl(fd, GIO_UNISCRNMAP, map))
die("GIO_UNISCRNMAP");
d.entry_ct = 2048;
d.entries = descs;
if (ioctl(fd, GIO_UNIMAP, &d))
die("GIO_UNIMAP");
write(1, font, sizeof(font));
write(1, map, sizeof(map));
write(1, &d.entry_ct, sizeof(d.entry_ct));
write(1, descs, d.entry_ct * sizeof(descs[0]));
return 0;
}
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