1 files changed, 11 insertions, 3 deletions
diff --git a/c/src/lib/libc/ioctl.c b/c/src/lib/libc/ioctl.c
index af986743dd..8d84a26a15 100644
--- a/c/src/lib/libc/ioctl.c
+++ b/c/src/lib/libc/ioctl.c
@@ -16,19 +16,27 @@
 
 #include "libio_.h"
 
+#include <unistd.h>
+
 int ioctl(
-  int         fd,
-  unsigned32  command,
-  void *      buffer
+  int  fd,
+  int  command,
+  ...
 ) 
 { 
+  va_list            ap;
   rtems_status_code  rc;
   rtems_libio_t     *iop;
+  void              *buffer;
 
   rtems_libio_check_fd( fd );
   iop = rtems_libio_iop( fd );
   rtems_libio_check_is_open(iop);
 
+  va_start(ap, command);
+
+  buffer = va_arg(ap, void *);
+
   /*
    *  Now process the ioctl().
    */