File::WriteFile

Writes data to a file.

FileResult WriteFile(const void *buffer, uint32 size);

buffer	A pointer to the location from which data will be written to the file.
size	The number of bytes to write to the file.

The WriteFile function attempts to perform a synchronous write operation for a file object. If successful, this function blocks until the write operation completes. The return value is one of the following file result codes.

kFileOkay	The write operation was successfully completed.
kFileNotOpen	No file has been opened for the File object.
kFileIOFailed	The operation failed because the operating system returned an error.

File::ReadFile