#include <sys/ioctl.h>
/* From <linux/vt.h> */
-#define VT_ACTIVATE 0x5606 /* make vt active */
-#define VT_WAITACTIVE 0x5607 /* wait for vt active */
+static const int VT_ACTIVATE = 0x5606; /* make vt active */
+static const int VT_WAITACTIVE = 0x5607; /* wait for vt active */
int chvt_main(int argc, char **argv)
{