diff -ur src.old/sys/kern/syscalls.master src/sys/kern/syscalls.master
--- src.old/sys/kern/syscalls.master	Sat Apr 29 18:56:44 2006
+++ src/sys/kern/syscalls.master	Mon Jun 26 22:53:52 2006
@@ -339,9 +339,9 @@
 ; XXX should be	{ int shmsys(int which, ...); }
 172	AUE_NULL	UNIMPL	nosys
 173	AUE_PREAD	MSTD	{ ssize_t pread(int fd, void *buf, \
-				    size_t nbyte, int pad, off_t offset); }
+				    size_t nbyte, off_t offset); }
 174	AUE_PWRITE	MSTD	{ ssize_t pwrite(int fd, const void *buf, \
-				    size_t nbyte, int pad, off_t offset); }
+				    size_t nbyte, off_t offset); }
 175	AUE_NULL	UNIMPL	nosys
 176	AUE_ADJTIME	MSTD	{ int ntp_adjtime(struct timex *tp); }
 177	AUE_NULL	UNIMPL	sfork (BSD/OS 2.x)
@@ -372,16 +372,13 @@
 196	AUE_GETDIRENTRIES	MSTD	{ int getdirentries(int fd, char *buf, \
 				    u_int count, long *basep); }
 197	AUE_MMAP	MSTD	{ caddr_t mmap(caddr_t addr, size_t len, \
-				    int prot, int flags, int fd, int pad, \
-				    off_t pos); }
+				    int prot, int flags, int fd, off_t pos); }
 198	AUE_NULL	MSTD	{ int nosys(void); } __syscall \
 				    __syscall_args int
-199	AUE_LSEEK	MSTD	{ off_t lseek(int fd, int pad, off_t offset, \
+199	AUE_LSEEK	MSTD	{ off_t lseek(int fd, off_t offset, \
 				    int whence); }
-200	AUE_TRUNCATE	MSTD	{ int truncate(char *path, int pad, \
-				    off_t length); }
-201	AUE_FTRUNCATE	MSTD	{ int ftruncate(int fd, int pad, \
-				    off_t length); }
+200	AUE_TRUNCATE	MSTD	{ int truncate(char *path, off_t length); }
+201	AUE_FTRUNCATE	MSTD	{ int ftruncate(int fd, off_t length); }
 202	AUE_SYSCTL	MSTD	{ int __sysctl(int *name, u_int namelen, \
 				    void *old, size_t *oldlenp, void *new, \
 				    size_t newlen); } __sysctl sysctl_args int
diff -ur src.old/sys/kern/vfs_syscalls.c src/sys/kern/vfs_syscalls.c
--- src.old/sys/kern/vfs_syscalls.c	Sat Apr 29 18:56:44 2006
+++ src/sys/kern/vfs_syscalls.c	Mon Jun 26 22:56:57 2006
@@ -1716,7 +1716,6 @@
 #ifndef _SYS_SYSPROTO_H_
 struct lseek_args {
 	int	fd;
-	int	pad;
 	off_t	offset;
 	int	whence;
 };
@@ -1726,7 +1725,6 @@
 	struct thread *td;
 	register struct lseek_args /* {
 		int fd;
-		int pad;
 		off_t offset;
 		int whence;
 	} */ *uap;
@@ -1812,7 +1810,6 @@
 {
 	struct lseek_args /* {
 		int fd;
-		int pad;
 		off_t offset;
 		int whence;
 	} */ nuap;
@@ -3001,7 +2998,6 @@
 #ifndef _SYS_SYSPROTO_H_
 struct truncate_args {
 	char	*path;
-	int	pad;
 	off_t	length;
 };
 #endif
@@ -3010,7 +3006,6 @@
 	struct thread *td;
 	register struct truncate_args /* {
 		char *path;
-		int pad;
 		off_t length;
 	} */ *uap;
 {
@@ -3067,7 +3062,6 @@
 #ifndef _SYS_SYSPROTO_H_
 struct ftruncate_args {
 	int	fd;
-	int	pad;
 	off_t	length;
 };
 #endif
@@ -3076,7 +3070,6 @@
 	struct thread *td;
 	register struct ftruncate_args /* {
 		int fd;
-		int pad;
 		off_t length;
 	} */ *uap;
 {
@@ -3143,7 +3136,6 @@
 {
 	struct truncate_args /* {
 		char *path;
-		int pad;
 		off_t length;
 	} */ nuap;
 
@@ -3171,7 +3163,6 @@
 {
 	struct ftruncate_args /* {
 		int fd;
-		int pad;
 		off_t length;
 	} */ nuap;
 
diff -ur src.old/lib/libc/sys/Makefile.inc src/lib/libc/sys/Makefile.inc
--- src.old/lib/libc/sys/Makefile.inc	Sat Apr 29 18:57:47 2006
+++ src/lib/libc/sys/Makefile.inc	Mon Jun 26 22:54:35 2006
@@ -18,7 +18,7 @@
 .endif
 
 # Sources common to both syscall interfaces:
-SRCS+=	ftruncate.c lseek.c mmap.c pread.c pwrite.c truncate.c  __error.c
+SRCS+=	__error.c
 
 # Add machine dependent asm sources:
 SRCS+=${MDASM}