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<chapter id="functions">

<title>Functions and Operators</title>

</tgroup>

</table>

<para>

<function>get_byte</> and <function>set_byte</> number the first byte

of a binary string as byte 0.

<function>get_bit</> and <function>set_bit</> number bits from the

right within each byte; for example bit 0 is the least significant bit of

the first byte, and bit 15 is the most significant bit of the second byte.

</para>

</sect1>

strings:

<literal><function>get_bit</function></literal>,

<literal><function>set_bit</function></literal>.

When working with a bit string, these functions number the first

(leftmost) bit of the string as bit 0.

</para>

<para>