-extern char *do_file (const char *path);
-extern char *do_command (char * const* const arguments);
-extern char **do_command_lines (char * const* const arguments);
-extern guestfs_int_stat *do_stat (const char *path);
-extern guestfs_int_stat *do_lstat (const char *path);
-extern guestfs_int_statvfs *do_statvfs (const char *path);
-extern char **do_tune2fs_l (const char *device);
-extern int do_blockdev_setro (const char *device);
-extern int do_blockdev_setrw (const char *device);
-extern int do_blockdev_getro (const char *device);
-extern int do_blockdev_getss (const char *device);
-extern int do_blockdev_getbsz (const char *device);
-extern int do_blockdev_setbsz (const char *device, int blocksize);
-extern int64_t do_blockdev_getsz (const char *device);
-extern int64_t do_blockdev_getsize64 (const char *device);
-extern int do_blockdev_flushbufs (const char *device);
-extern int do_blockdev_rereadpt (const char *device);
-extern int do_upload (const char *remotefilename);
-extern int do_download (const char *remotefilename);
-extern char *do_checksum (const char *csumtype, const char *path);
-extern int do_tar_in (const char *directory);
-extern int do_tar_out (const char *directory);
-extern int do_tgz_in (const char *directory);
-extern int do_tgz_out (const char *directory);
-extern int do_mount_ro (const char *device, const char *mountpoint);
-extern int do_mount_options (const char *options, const char *device, const char *mountpoint);
-extern int do_mount_vfs (const char *options, const char *vfstype, const char *device, const char *mountpoint);
-extern char *do_debug (const char *subcmd, char * const* const extraargs);
-extern int do_lvremove (const char *device);
-extern int do_vgremove (const char *vgname);
-extern int do_pvremove (const char *device);
-extern int do_set_e2label (const char *device, const char *label);
-extern char *do_get_e2label (const char *device);
-extern int do_set_e2uuid (const char *device, const char *uuid);
-extern char *do_get_e2uuid (const char *device);
-extern int do_fsck (const char *fstype, const char *device);
-extern int do_zero (const char *device);
-extern int do_grub_install (const char *root, const char *device);
-extern int do_cp (const char *src, const char *dest);
-extern int do_cp_a (const char *src, const char *dest);
-extern int do_mv (const char *src, const char *dest);
+extern char *do_file (char *path);
+extern char *do_command (char **arguments);
+extern char **do_command_lines (char **arguments);
+extern guestfs_int_stat *do_stat (char *path);
+extern guestfs_int_stat *do_lstat (char *path);
+extern guestfs_int_statvfs *do_statvfs (char *path);
+extern char **do_tune2fs_l (char *device);
+extern int do_blockdev_setro (char *device);
+extern int do_blockdev_setrw (char *device);
+extern int do_blockdev_getro (char *device);
+extern int do_blockdev_getss (char *device);
+extern int do_blockdev_getbsz (char *device);
+extern int do_blockdev_setbsz (char *device, int blocksize);
+extern int64_t do_blockdev_getsz (char *device);
+extern int64_t do_blockdev_getsize64 (char *device);
+extern int do_blockdev_flushbufs (char *device);
+extern int do_blockdev_rereadpt (char *device);
+extern int do_upload (char *remotefilename);
+extern int do_download (char *remotefilename);
+extern char *do_checksum (char *csumtype, char *path);
+extern int do_tar_in (char *directory);
+extern int do_tar_out (char *directory);
+extern int do_tgz_in (char *directory);
+extern int do_tgz_out (char *directory);
+extern int do_mount_ro (char *device, char *mountpoint);
+extern int do_mount_options (char *options, char *device, char *mountpoint);
+extern int do_mount_vfs (char *options, char *vfstype, char *device, char *mountpoint);
+extern char *do_debug (char *subcmd, char **extraargs);
+extern int do_lvremove (char *device);
+extern int do_vgremove (char *vgname);
+extern int do_pvremove (char *device);
+extern int do_set_e2label (char *device, char *label);
+extern char *do_get_e2label (char *device);
+extern int do_set_e2uuid (char *device, char *uuid);
+extern char *do_get_e2uuid (char *device);
+extern int do_fsck (char *fstype, char *device);
+extern int do_zero (char *device);
+extern int do_grub_install (char *root, char *device);
+extern int do_cp (char *src, char *dest);
+extern int do_cp_a (char *src, char *dest);
+extern int do_mv (char *src, char *dest);