libusb(3): Fix link in comment

Event: Advanced UNIX Programming Course (Fall’23) at NTHU.
Pull Request: https://github.com/freebsd/freebsd-src/pull/1042

Remove $FreeBSD$: one-line .c comment pattern

Remove /^/[*/]\s*\$FreeBSD\$.*\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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libusb(3): Implement libusb_init_context() and the needed structures and definitions.

Differential Revision: https://reviews.freebsd.org/D38212
MFC after: 1 week
Sponsored by: NVIDIA Networking

libusb(3): Implement libusb_interrupt_event_handler() by exposing existing function.

MFC after: 1 week
Sponsored by: NVIDIA Networking

libusb: improve compatibility

Specifically, add LIBUSB_CLASS_PHYSICAL and the libusb_has_capability API.
Descriptions and functionality for these derived from the
documentation at [0]. The current

libusb: improve compatibility

Specifically, add LIBUSB_CLASS_PHYSICAL and the libusb_has_capability API.
Descriptions and functionality for these derived from the
documentation at [0]. The current set of capabilities are all supported by
libusb.

These were detected as missing after updating net/freerdp to 2.1.1, which
attempted to use both.

[0] http://libusb.sourceforge.net/api-1.0/group__libusb__misc.html

Reviewed by: hselasky
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D25194

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lib: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
pr

lib: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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MFhead@r322451

Merge ^/head r321383 through r322397.

libusb(3): Expose device caps as libusb_bos_descriptor::dev_capability

Some libusb consumers in Linux-land (in this case, libusb4java) expect a
dev_capability member that they can use to enumerate t

libusb(3): Expose device caps as libusb_bos_descriptor::dev_capability

Some libusb consumers in Linux-land (in this case, libusb4java) expect a
dev_capability member that they can use to enumerate the device
capabilities.

No particular layout is expected of this, just that it can be traversed
using the bLength member until bNumDeviceCapabilities are read and that the
consumer may then use one of the libusb_get_*_descriptor methods to extract
specific (usb 2.0 vs. ss) capability information.

In collaboration with: hselasky
Reviewed by: hselasky
Approved by: emaste (mentor)
Differential Revision: https://reviews.freebsd.org/D11494

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Resolve issue with libusb C++ header file inclusion.

Approved by: re (marius)
PR: 210509
MFC after: 1 week

Add support for USB streams to the LibUSB v1.0 API and update the
libusb(3) manual page.

Approved by: re (gjb)
Requested by: swills
MFC after: 1 week

Implement libusb_hotplug_register_callback() and
libusb_hotplug_deregister_callback() for the LibUSB v1.0 API and
update the libusb(3) manual page.

Approved by: re (kib)
Requested by: swills
MFC aft

Implement libusb_hotplug_register_callback() and
libusb_hotplug_deregister_callback() for the LibUSB v1.0 API and
update the libusb(3) manual page.

Approved by: re (kib)
Requested by: swills
MFC after: 1 week

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Add multiple missing descriptor parsing functions to the LibUSB v1.0 API.

Approved by: re (kib)
Requested by: swills
MFC after: 1 week

Add support for libusb_set_auto_detach_kernel_driver() to the LibUSB v1.0 API.

Approved by: re (kostikbel)
Requested by: swills
MFC after: 1 week

Add support for libusb_get_port_number() to the LibUSB v1.0 API.

Approved by: re (kostikbel)
Requested by: swills
MFC after: 1 week

Define LIBUSB_API_VERSION.

Approved by: re (kostikbel)
Requested by: swills
MFC after: 1 week

Implement libusb_get_version() and update libusb manual page.

Approved by: re (glebius)
Requested by: swills
MFC after: 1 week

Merge sync of head

MFhead @ r277403

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Add more USB request definitions. The values are described in section
9.4.11 and 9.4.12 of the "Universal Serial Bus 3.0 Specification"

Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com>
MFC

Add more USB request definitions. The values are described in section
9.4.11 and 9.4.12 of the "Universal Serial Bus 3.0 Specification"

Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com>
MFC after: 1 week

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Merge from head@274682

IFC @r271694

Sync to HEAD@r270409.