Whoops, did too much C++ programming these days, in C this should really
be:
#include <stdlib.h>
#include <time.h>
int main (int argc, char *argv[]) {
unsigned int r;
srandomdev();
/* use this on non-BSD systems:
srandom(time (0));
*/
r = random () % 99999 +1;
printf ("%d\n", r);
return r;
}