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<h1>and4b</h1>
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<p>The keyword <b><font face="Courier New">and4b</font></b> belongs to the family of the bitwise operators operating on <font face="Courier New"><b>bitstring</b></font>s, <font face="Courier New"><b>hexstring</b></font>s
or <font face="Courier New"><b>octetstring</b></font>s of equal length. It performs the following operation: for each corresponding bit position, the resulting value is a 1 if both bits are set to 1,
otherwise the value for the resulting bit is 0.</p>
<p>Related keywords:</p>
<ul>
<li><a href="bitstring.html"><b><font face="Courier New" color="#003258" size="4">bitstring</font></b></a></li>
<li><a href="hexstring.html"><b><font face="Courier New" color="#003258" size="4">hexstring</font></b></a></li>
<li><a href="octetstring.html"><b><font face="Courier New" color="#003258" size="4">octetstring</font></b></a></li>
<li><a href="not4b.html"><b><font face="Courier New" color="#003258" size="4">not4b</font></b></a></li>
<li><a href="or4b.html"><b><font face="Courier New" color="#003258" size="4">or4b</font></b></a></li>
<li><a href="xor4b.html"><b><font face="Courier New" color="#003258" size="4">xor4b</font></b></a></li>
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<h3 align="center"><font face="Courier New" color="#003258" size="5"><b>and4b</b></font></h3>
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<p>Example 1:
<p><font face="Courier New">const bitstring c_forsta := '1001'B;</font> <br>
<font face="Courier New">const bitstring c_andran := '0101'B; <br>
var bitstring v_tredje := c_forsta and4b c_andran;</font>
<p>The variable v_tredje will initially contain the value '0001'B.</p>
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<p>Example 2:
<p><font face="Courier New">const hexstring c_elso := 'B'H ; <br>
const hexstring c_afro := '5'H; <br>
var hexstring v_zold := c_elso and4b c_afro;</font>
<p>The variable v_zold will initially contain the value '1'H.</p>
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<p>Example 3:
<p><font face="Courier New">const octstring c_eux := 'FB'O ; <br>
const octstring c_les := '15'O; <br>
var octstring v_ils := c_eux and4b c_les;</font>
<p>The variable v_ils will initially contain the value '11'O.</p>
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<p><a HREF="BNF.html#bitandexpression">BNF definition</a> of <font face="Courier New">and4b</font></p>
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