--- /dev/null
+/* can_iortl.h - RT-Linux Posix file IO interface
+ * Linux CAN-bus device driver.
+ * RT-Linux support by Pavel Pisa - OCERA team member
+ * email:pisa@cmp.felk.cvut.cz
+ * This software is released under the GPL-License.
+ * Version lincan-0.2 9 Jul 2003
+ */
+
+#ifndef _CAN_IORTL_H
+#define _CAN_IORTL_H
+
+#ifdef CAN_WITH_RTL
+
+int can_open_rtl_posix(struct rtl_file *fptr);
+
+int can_release_rtl_posix(struct rtl_file *fptr);
+
+ssize_t can_read_rtl_posix(struct rtl_file *fptr, char *buffer,
+ size_t length, loff_t *ppos);
+
+ssize_t can_write_rtl_posix(struct rtl_file *fptr, const char *buffer,
+ size_t length, loff_t *ppos);
+
+int can_ioctl_rtl_posix(struct rtl_file *, unsigned int, unsigned long);
+
+#endif /*CAN_WITH_RTL*/
+
+#endif /*_CAN_IORTL_H*/