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Cygwin's default package selection is quite small, containing little more than the bash shell and the core file manipulation utilities expected of a Unix command line.
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libgphoto2(3) [suse man page]

LIBGPHOTO2(3)						  The gPhoto2 Reference (the man					     LIBGPHOTO2(3)

NAME
libgphoto2 - cross-platform digital camera library SYNOPSIS
#include <gphoto2/gphoto2.h> DESCRIPTION
The gphoto2 library provides applications with access to a variety of cameras. This man page will be extended with autogenerated documentation of the interface types and methods used for communication between the gphoto2 library and a frontend. FILES
~/.gphoto/settings Here gphoto2 applications may store their configuration used to access gphoto2. To track down errors, you can add the --debug parameter to the gphoto2 command line and, if dealing with USB problems, setting the environment variable USB_DEBUG=1. ENVIRONMENT VARIABLES
CAMLIBS If set, defines the directory where the libgphoto2 library looks for its camera drivers (camlibs). You only need to set this on OS/2 systems and broken/test installations. IOLIBS If set, defines the directory where the libgphoto2_port library looks for its I/O drivers (iolibs). You only need to set this on OS/2 systems and broken/test installations. LD_DEBUG Set this to all to receive lots of debug information regarding library loading on ld based systems. USB_DEBUG If set, defines the numeric debug level with which the libusb library will print messages. In order to get some debug output, set it to 1. SEE ALSO
gphoto2(1), libgphoto2_port(3), The gPhoto2 Manual, automatically generated API docs, [1]gphoto website AUTHOR
The gPhoto2 Team. Hans Ulrich Niedermann <gp@n-dimensional.de>. (man page) REFERENCES
1. gphoto website http://www.gphoto.org/ 08/16/2006 LIBGPHOTO2(3)

Check Out this Related Man Page

LIBGPHOTO2_PORT(3)					  The gPhoto2 Reference (the man					LIBGPHOTO2_PORT(3)

NAME
libgphoto2_port - cross-platform port access library SYNOPSIS
#include <gphoto2/gphoto2_port.h> DESCRIPTION
The libgphoto2_port library was written to provide libgphoto2(3) with a generic way of accessing ports. In this function, libgphoto2_port is the successor of the libgpio library. Currently, libgphoto2_port supports serial (RS-232) and USB connections, the latter requiring libusb to be installed. The autogenerated API docs will be added here in the future. ENVIRONMENT VARIABLES
IOLIBS If set, defines the directory where the libgphoto2_port library looks for its I/O drivers (iolibs). You only need to set this on OS/2 systems and broken/test installations. LD_DEBUG Set this to all to receive lots of debug information regarding library loading on ld based systems. USB_DEBUG If set, defines the numeric debug level with which the libusb library will print messages. In order to get some debug output, set it to 1. SEE ALSO
libgphoto2(3), The gPhoto2 Manual, [1]gphoto website, automatically generated API docs, [2]libusb website AUTHOR
The gPhoto2 Team. Hans Ulrich Niedermann <gp@n-dimensional.de>. (man page) REFERENCES
1. gphoto website http://www.gphoto.org/ 2. libusb website http://libusb.sourceforge.net/ 08/16/2006 LIBGPHOTO2_PORT(3)

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