-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 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);
+extern int do_drop_caches (int whattodrop);
+extern char *do_dmesg (void);
+extern int do_ping_daemon (void);
+extern int do_equal (char *file1, char *file2);
+extern char **do_strings (char *path);
+extern char **do_strings_e (char *encoding, char *path);
+extern char *do_hexdump (char *path);
+extern int do_zerofree (char *device);
+extern int do_pvresize (char *device);
+extern int do_sfdisk_N (char *device, int n, int cyls, int heads, int sectors, char *line);
+extern char *do_sfdisk_l (char *device);
+extern char *do_sfdisk_kernel_geometry (char *device);
+extern char *do_sfdisk_disk_geometry (char *device);
+extern int do_vg_activate_all (int activate);
+extern int do_vg_activate (int activate, char **volgroups);
+extern int do_lvresize (char *device, int mbytes);
+extern int do_resize2fs (char *device);
+extern char **do_find (char *directory);
+extern int do_e2fsck_f (char *device);
+extern int do_sleep (int secs);
+extern int do_ntfs_3g_probe (int rw, char *device);
+extern char *do_sh (char *command);
+extern char **do_sh_lines (char *command);