Intel Extensible Firmware Interface Specification page 371

Table E-1. Functions Listed in Alphabetic Order (continued)
Function Name
StrLwr
StrToFat
StrUpr
TestString
Transmit
UdpRead
UdpWrite
UninstallProtocolInterface
Unload
UnloadImage
Unmap
WaitForEvent
Write
Write
WriteBlocks
WriteDisk
Version 1.02
Service or Protocol Sub-Service
Unicode Collation
Protocol
Unicode Collation
Protocol
Unicode Collation
Protocol
Simple Text Output
Protocol
Simple Network
Protocol
PXE Base Code
Protocol
PXE Base Code
Protocol
Boot Services Protocol Handler
Services
Loaded Image
Boot Services Image Services
Device I/O Protocol
Boot Services Event Services
File System Protocol
Serial I/O Protocol
Block I/O Protocol
Disk I/O Protocol
12/12/00
Alphabetic Function Lists
Function Description
Converts all the Unicode
characters in a Null-terminated
Unicode string to lower case
Unicode characters.
Converts a Null-terminated
Unicode string to legal characters
in a FAT filename using an OEM
character set.
Converts all the Unicode
characters in a Null-terminated
Unicode string to upper case
Unicode characters.
Tests to see if the ConsoleOut
device supports this Unicode
string.
Places a packet in the transmit
queue of the network interface.
Reads a UDP packet from a
network interface.
Writes a UDP packet to a network
interface.
Removes a protocol interface from
a device handle.
Requests an image to unload.
Unloads an image.
Releases any resources allocated
by Map().
Stops execution until an event is
signaled.
Writes bytes to a file.
Sends a buffer of characters to a
serial device.
Writes the requested number of
blocks to the device.
Writes data to the disk.
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