lib/other/_devctl.c

   1 #include <lib.h>
   2 #define devctl  _devctl
   3 #include <unistd.h>
   4
   5
   6 PUBLIC int devctl(int ctl_req, int proc_nr, int dev_nr, int dev_style,
   7         int force)
   8 {
   9   message m;
  10   m.m4_l1 = ctl_req;
  11   m.m4_l2 = proc_nr;
  12   m.m4_l3 = dev_nr;
  13   m.m4_l4 = dev_style;
  14   m.m4_l5 = force;
  15   if (_syscall(FS, DEVCTL, &m) < 0) return(-1);
  16   return(0);
  17 }
  18