12-15-2005
File Descriptor to File Name
I was wondering if there is anyway to get the actual file name (a string) from a file descriptor. Thanks.
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LEARN ABOUT OPENSOLARIS
usb_string_descr
usb_string_descr(9S) Data Structures for Drivers usb_string_descr(9S)
NAME
usb_string_descr - USB string descriptor
SYNOPSIS
#include <sys/usb/usba.h>
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI)
DESCRIPTION
The usb_string_descr_t string descriptor defines the attributes of a string, including size and Unicode language ID. Other USB descriptors
may have string descriptor index fields which refer to specific string descriptors retrieved as part of a device's configuration.
Please refer to Section 9.6.7 of the USB 2.0 specification. The USB 2.0 specification is available at www.usb.org.
A string descriptor has the following fields:
uint8_t bLength Size of this descriptor,
in bytes.
uint8_t bDescriptorType Set to USB_DESCR_TYPE_STRING.
uint16_t bString[1]; Variable length Unicode encoded
string.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Architecture |PCI-based systems |
+-----------------------------+-----------------------------+
|Interface stability |Committed |
+-----------------------------+-----------------------------+
|Availability |SUNWusbu |
+-----------------------------+-----------------------------+
SEE ALSO
attributes(5), usb_get_alt_if(9F), usb_get_cfg(9F), usb_get_dev_data(9F), usb_get_string_descr(9F), usb_parse_data(9F),
usb_ctrl_request(9S)
SunOS 5.11 5 Jan 2004 usb_string_descr(9S)