#### 21.2.15 write-byte [Function] ¶

`write-byte` byte stream ⇒ byte

#### Arguments and Values:: ¶

byte—an integer of the stream element type of stream.

stream—a binary output stream.

#### Description:: ¶

write-byte writes one byte, byte, to stream.

#### Examples:: ¶

     (with-open-file (s "temp-bytes"
                        :direction :output
                        :element-type 'unsigned-byte)
        (write-byte 101 s)) ⇒  101

#### Side Effects:: ¶

stream is modified.

#### Affected By:: ¶

The element type of the stream.

#### Exceptional Situations:: ¶

Should signal an error of type type-error if stream is not a stream. Should signal an error of type error if stream is not a binary output stream.

Might signal an error of type type-error if byte is not an integer of the stream element type of stream.

#### See Also:: ¶

read-byte [Function] , write-char [Function] ,

write-sequence [Function]