The Linux Kernel
4.9.0
Linux Kernel Documentation
Linux Kernel Development Documentation
Development tools for the kernel
The Linux driver implementer’s API guide
Linux Media Subsystem Documentation
Linux Media Infrastructure userspace API
Introduction
Part I - Video for Linux API
Part II - Digital TV API
1. Introduction
2. DVB Frontend API
3. DVB Demux Device
4. DVB CA Device
5. DVB Network API
6. DVB net Function Calls
7. DVB Deprecated APIs
8. Examples
9. DVB Audio Header File
10. DVB Conditional Access Header File
11. DVB Demux Header File
12. DVB Frontend Header File
13. DVB Network Header File
14. DVB Video Header File
Revision and Copyright
Revision History
Part III - Remote Controller API
Part IV - Media Controller API
Part V - Consumer Electronics Control API
Generic Error Codes
GNU Free Documentation License
Media subsystem kernel internal API
Linux Digital TV driver-specific documentation
Video4Linux (V4L) driver-specific documentation
Linux GPU Driver Developer’s Guide
Linux 802.11 Driver Developer’s Guide
The Linux Kernel
Docs
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Linux Media Subsystem Documentation
»
Linux Media Infrastructure userspace API
»
Part II - Digital TV API
»
4. DVB CA Device
»
4.2. CA Function Calls
»
4.2.2. DVB CA close()
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4.2.2. DVB CA close()
¶
4.2.2.1. Name
¶
DVB CA close()
4.2.2.2. Synopsis
¶
int
close
(
int
fd
)
¶
4.2.2.3. Arguments
¶
fd
File descriptor returned by a previous call to
open()
.
4.2.2.4. Description
¶
This system call closes a previously opened CA device.
4.2.2.5. Return Value
¶
EBADF
fd is not a valid open file descriptor.