root@brak# perl -MSun::DDI -e 'probe /dev/pcmcia/*'

# is muuuuuuch easier than:

#include <stdio.h>
#include <sunddi.h>
#include <thatotherannoyingsunheaderfile.h>

int main (void)
{
  int i_will_save_you_the_agony_of_reading_c_code = 0;
  // ...
}