This function returns 0 on success or -1 on error.
+=head2 guestfs_du
+
+ int64_t guestfs_du (guestfs_h *handle,
+ const char *path);
+
+This command runs the C<du -s> command to estimate file space
+usage for C<path>.
+
+C<path> can be a file or a directory. If C<path> is a directory
+then the estimate includes the contents of the directory and all
+subdirectories (recursively).
+
+The result is the estimated size in I<kilobytes>
+(ie. units of 1024 bytes).
+
+On error this function returns -1.
+
=head2 guestfs_e2fsck_f
int guestfs_e2fsck_f (guestfs_h *handle,
This function returns a string, or NULL on error.
I<The caller must free the returned string after use>.
+=head2 guestfs_get_memsize
+
+ int guestfs_get_memsize (guestfs_h *handle);
+
+This gets the memory size in megabytes allocated to the
+qemu subprocess.
+
+If C<guestfs_set_memsize> was not called
+on this handle, and if C<LIBGUESTFS_MEMSIZE> was not set,
+then this returns the compiled-in default value for memsize.
+
+For more information on the architecture of libguestfs,
+see L<guestfs(3)>.
+
+On error this function returns -1.
+
=head2 guestfs_get_path
const char *guestfs_get_path (guestfs_h *handle);
of somewhere between 2MB and 4MB. To transfer large files you should use
FTP.
+=head2 guestfs_initrd_list
+
+ char **guestfs_initrd_list (guestfs_h *handle,
+ const char *path);
+
+This command lists out files contained in an initrd.
+
+The files are listed without any initial C</> character. The
+files are listed in the order they appear (not necessarily
+alphabetical). Directory names are listed as separate items.
+
+Old Linux kernels (2.4 and earlier) used a compressed ext2
+filesystem as initrd. We I<only> support the newer initramfs
+format (compressed cpio files).
+
+This function returns a NULL-terminated array of strings
+(like L<environ(3)>), or NULL if there was an error.
+I<The caller must free the strings and the array after use>.
+
=head2 guestfs_is_busy
int guestfs_is_busy (guestfs_h *handle);
This function returns a string, or NULL on error.
I<The caller must free the returned string after use>.
+=head2 guestfs_mkfifo
+
+ int guestfs_mkfifo (guestfs_h *handle,
+ int mode,
+ const char *path);
+
+This call creates a FIFO (named pipe) called C<path> with
+mode C<mode>. It is just a convenient wrapper around
+C<guestfs_mknod>.
+
+This function returns 0 on success or -1 on error.
+
=head2 guestfs_mkfs
int guestfs_mkfs (guestfs_h *handle,
This function returns 0 on success or -1 on error.
+=head2 guestfs_mknod
+
+ int guestfs_mknod (guestfs_h *handle,
+ int mode,
+ int devmajor,
+ int devminor,
+ const char *path);
+
+This call creates block or character special devices, or
+named pipes (FIFOs).
+
+The C<mode> parameter should be the mode, using the standard
+constants. C<devmajor> and C<devminor> are the
+device major and minor numbers, only used when creating block
+and character special devices.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_mknod_b
+
+ int guestfs_mknod_b (guestfs_h *handle,
+ int mode,
+ int devmajor,
+ int devminor,
+ const char *path);
+
+This call creates a block device node called C<path> with
+mode C<mode> and device major/minor C<devmajor> and C<devminor>.
+It is just a convenient wrapper around C<guestfs_mknod>.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_mknod_c
+
+ int guestfs_mknod_c (guestfs_h *handle,
+ int mode,
+ int devmajor,
+ int devminor,
+ const char *path);
+
+This call creates a char device node called C<path> with
+mode C<mode> and device major/minor C<devmajor> and C<devminor>.
+It is just a convenient wrapper around C<guestfs_mknod>.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_mkswap
+
+ int guestfs_mkswap (guestfs_h *handle,
+ const char *device);
+
+Create a swap partition on C<device>.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_mkswap_L
+
+ int guestfs_mkswap_L (guestfs_h *handle,
+ const char *label,
+ const char *device);
+
+Create a swap partition on C<device> with label C<label>.
+
+This function returns 0 on success or -1 on error.
+
+=head2 guestfs_mkswap_U
+
+ int guestfs_mkswap_U (guestfs_h *handle,
+ const char *uuid,
+ const char *device);
+
+Create a swap partition on C<device> with UUID C<uuid>.
+
+This function returns 0 on success or -1 on error.
+
=head2 guestfs_mount
int guestfs_mount (guestfs_h *handle,
This function returns 0 on success or -1 on error.
+=head2 guestfs_mount_loop
+
+ int guestfs_mount_loop (guestfs_h *handle,
+ const char *file,
+ const char *mountpoint);
+
+This command lets you mount C<file> (a filesystem image
+in a file) on a mount point. It is entirely equivalent to
+the command C<mount -o loop file mountpoint>.
+
+This function returns 0 on success or -1 on error.
+
=head2 guestfs_mount_options
int guestfs_mount_options (guestfs_h *handle,
This function returns 0 on success or -1 on error.
+=head2 guestfs_set_memsize
+
+ int guestfs_set_memsize (guestfs_h *handle,
+ int memsize);
+
+This sets the memory size in megabytes allocated to the
+qemu subprocess. This only has any effect if called before
+C<guestfs_launch>.
+
+You can also change this by setting the environment
+variable C<LIBGUESTFS_MEMSIZE> before the handle is
+created.
+
+For more information on the architecture of libguestfs,
+see L<guestfs(3)>.
+
+This function returns 0 on success or -1 on error.
+
=head2 guestfs_set_path
int guestfs_set_path (guestfs_h *handle,
C<n> keys and values alternate, followed by the trailing NULL entry.
I<The caller must free the strings and the array after use>.
+=head2 guestfs_umask
+
+ int guestfs_umask (guestfs_h *handle,
+ int mask);
+
+This function sets the mask used for creating new files and
+device nodes to C<mask & 0777>.
+
+Typical umask values would be C<022> which creates new files
+with permissions like "-rw-r--r--" or "-rwxr-xr-x", and
+C<002> which creates new files with permissions like
+"-rw-rw-r--" or "-rwxrwxr-x".
+
+See also L<umask(2)>, C<guestfs_mknod>, C<guestfs_mkdir>.
+
+This call returns the previous umask.
+
+On error this function returns -1.
+
=head2 guestfs_umount
int guestfs_umount (guestfs_h *handle,
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