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diff --git a/src/rmt.h b/src/rmt.h
index a01a630..a685686 100644
--- a/src/rmt.h
+++ b/src/rmt.h
@@ -1,5 +1,7 @@
 /* Definitions for communicating with a remote tape drive.
-   Copyright (C) 1988, 1992, 1996, 1997 Free Software Foundation, Inc.
+
+   Copyright (C) 1988, 1992, 1996, 1997, 2001, 2003, 2004 Free
+   Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -15,14 +17,14 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-extern char *rmt_path__;
+extern char *rmt_dev_name__;
 
-int rmt_open__ PARAMS ((const char *, int, int, const char *));
-int rmt_close__ PARAMS ((int));
-ssize_t rmt_read__ PARAMS ((int, char *, size_t));
-ssize_t rmt_write__ PARAMS ((int, char *, size_t));
-off_t rmt_lseek__ PARAMS ((int, off_t, int));
-int rmt_ioctl__ PARAMS ((int, int, char *));
+int rmt_open__ (const char *, int, int, const char *);
+int rmt_close__ (int);
+size_t rmt_read__ (int, char *, size_t);
+size_t rmt_write__ (int, char *, size_t);
+off_t rmt_lseek__ (int, off_t, int);
+int rmt_ioctl__ (int, int, char *);
 
 /* A filename is remote if it contains a colon not preceded by a slash,
    to take care of `/:/' which is a shorthand for `/.../<CELL-NAME>/fs'
@@ -30,12 +32,13 @@ int rmt_ioctl__ PARAMS ((int, int, char *));
    Distributed File System (DFS).  However, when --force-local, a
    filename is never remote.  */
 
-#define _remdev(Path) \
-  (!force_local_option && (rmt_path__ = strchr (Path, ':')) \
-   && rmt_path__ > (Path) && rmt_path__[-1] != '/')
+#define _remdev(dev_name) \
+  (!force_local_option && (rmt_dev_name__ = strchr (dev_name, ':')) \
+   && rmt_dev_name__ > (dev_name) \
+   && ! memchr (dev_name, '/', rmt_dev_name__ - (dev_name)))
 
-#define _isrmt(Fd) \
-  ((Fd) >= __REM_BIAS)
+#define _isrmt(fd) \
+  ((fd) >= __REM_BIAS)
 
 #define __REM_BIAS (1 << 30)
 
@@ -43,51 +46,51 @@ int rmt_ioctl__ PARAMS ((int, int, char *));
 # define O_CREAT 01000
 #endif
 
-#define rmtopen(Path, Oflag, Mode, Command) \
-  (_remdev (Path) ? rmt_open__ (Path, Oflag, __REM_BIAS, Command) \
-   : open (Path, Oflag, Mode))
+#define rmtopen(dev_name, oflag, mode, command) \
+  (_remdev (dev_name) ? rmt_open__ (dev_name, oflag, __REM_BIAS, command) \
+   : open (dev_name, oflag, mode))
 
-#define rmtaccess(Path, Amode) \
-  (_remdev (Path) ? 0 : access (Path, Amode))
+#define rmtaccess(dev_name, amode) \
+  (_remdev (dev_name) ? 0 : access (dev_name, amode))
 
-#define rmtstat(Path, Buffer) \
-  (_remdev (Path) ? (errno = EOPNOTSUPP), -1 : stat (Path, Buffer))
+#define rmtstat(dev_name, buffer) \
+  (_remdev (dev_name) ? (errno = EOPNOTSUPP), -1 : stat (dev_name, buffer))
 
-#define rmtcreat(Path, Mode, Command) \
-   (_remdev (Path) \
-    ? rmt_open__ (Path, 1 | O_CREAT, __REM_BIAS, Command) \
-    : creat (Path, Mode))
+#define rmtcreat(dev_name, mode, command) \
+   (_remdev (dev_name) \
+    ? rmt_open__ (dev_name, 1 | O_CREAT, __REM_BIAS, command) \
+    : creat (dev_name, mode))
 
-#define rmtlstat(Path, Buffer) \
-  (_remdev (Path) ? (errno = EOPNOTSUPP), -1 : lstat (Path, Buffer))
+#define rmtlstat(dev_name, muffer) \
+  (_remdev (dev_name) ? (errno = EOPNOTSUPP), -1 : lstat (dev_name, buffer))
 
-#define rmtread(Fd, Buffer, Length) \
-  (_isrmt (Fd) ? rmt_read__ (Fd - __REM_BIAS, Buffer, Length) \
-   : safe_read (Fd, Buffer, Length))
+#define rmtread(fd, buffer, length) \
+  (_isrmt (fd) ? rmt_read__ (fd - __REM_BIAS, buffer, length) \
+   : safe_read (fd, buffer, length))
 
-#define rmtwrite(Fd, Buffer, Length) \
-  (_isrmt (Fd) ? rmt_write__ (Fd - __REM_BIAS, Buffer, Length) \
-   : full_write (Fd, Buffer, Length))
+#define rmtwrite(fd, buffer, length) \
+  (_isrmt (fd) ? rmt_write__ (fd - __REM_BIAS, buffer, length) \
+   : full_write (fd, buffer, length))
 
-#define rmtlseek(Fd, Offset, Where) \
-  (_isrmt (Fd) ? rmt_lseek__ (Fd - __REM_BIAS, Offset, Where) \
-   : lseek (Fd, Offset, Where))
+#define rmtlseek(fd, offset, where) \
+  (_isrmt (fd) ? rmt_lseek__ (fd - __REM_BIAS, offset, where) \
+   : lseek (fd, offset, where))
 
-#define rmtclose(Fd) \
-  (_isrmt (Fd) ? rmt_close__ (Fd - __REM_BIAS) : close (Fd))
+#define rmtclose(fd) \
+  (_isrmt (fd) ? rmt_close__ (fd - __REM_BIAS) : close (fd))
 
-#define rmtioctl(Fd, Request, Argument) \
-  (_isrmt (Fd) ? rmt_ioctl__ (Fd - __REM_BIAS, Request, Argument) \
-   : ioctl (Fd, Request, Argument))
+#define rmtioctl(fd, request, argument) \
+  (_isrmt (fd) ? rmt_ioctl__ (fd - __REM_BIAS, request, argument) \
+   : ioctl (fd, request, argument))
 
-#define rmtdup(Fd) \
-  (_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : dup (Fd))
+#define rmtdup(fd) \
+  (_isrmt (fd) ? (errno = EOPNOTSUPP), -1 : dup (fd))
 
-#define rmtfstat(Fd, Buffer) \
-  (_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : fstat (Fd, Buffer))
+#define rmtfstat(fd, buffer) \
+  (_isrmt (fd) ? (errno = EOPNOTSUPP), -1 : fstat (fd, buffer))
 
-#define rmtfcntl(Fd, Command, Argument) \
-  (_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : fcntl (Fd, Command, Argument))
+#define rmtfcntl(cd, command, argument) \
+  (_isrmt (fd) ? (errno = EOPNOTSUPP), -1 : fcntl (fd, command, argument))
 
-#define rmtisatty(Fd) \
-  (_isrmt (Fd) ? 0 : isatty (Fd))
+#define rmtisatty(fd) \
+  (_isrmt (fd) ? 0 : isatty (fd))