Awards must also be made to VOSBs verified as such by VA. Federal/Military/State Government Sites — You will leave the Department of Veterans Affairs web site by accessing links annotated with this graphic. Non-Government Sites — You will leave the Department of Veterans Affairs web site by accessing links annotated with this graphic.
Learn more » OSDBU offers small businesses informational tools, requirement resources, and networking opportunities necessary to do business with VA. X External Links Disclaimer This page may contain links to pages and/or documents outside the Department of Veterans Affairs Domain. VA does not endorse and is not responsible for the content of the linked web site.
Using a pointer is the way to pass arbitrary data to the argument.
Different commands have different numeric values, which are usually given symbolic names to simplify coding.
OSDBU Strategic Outreach ensures that Veteran-owned and other small businesses have access to programs and services to increase their participation in the federal marketplace.
Some commands take no arguments, some take an integer value, and some take a pointer to other data.
The first versions of Linux used 16-bit numbers: the top eight were the "magic'' number associated with the device, and the bottom eight were a sequential number, unique within the device.
This happened because Linus was "clueless'' (his own word); a better division of bitfields was conceived only later.
These control operations are usually not available through the read/write file abstraction.
For example, everything you write to a serial port is used as communication data, and you cannot change the baud rate by writing to the device.