209 lines
28 KiB
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209 lines
28 KiB
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<!-- This manual documents Guile version 3.0.10.
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Copyright (C) 1996-1997, 2000-2005, 2009-2023 Free Software Foundation,
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Inc.
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Copyright (C) 2021 Maxime Devos
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Copyright (C) 2024 Tomas Volf
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Permission is granted to copy, distribute and/or modify this document
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copy of the license is included in the section entitled "GNU Free
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<title>Bytevectors as Integers (Guile Reference Manual)</title>
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Bytevectors.html" rel="up" title="Bytevectors">
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<link href="Bytevectors-and-Integer-Lists.html" rel="next" title="Bytevectors and Integer Lists">
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<body lang="en">
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<div class="subsubsection-level-extent" id="Bytevectors-as-Integers">
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<div class="nav-panel">
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<p>
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Next: <a href="Bytevectors-and-Integer-Lists.html" accesskey="n" rel="next">Converting Bytevectors to/from Integer Lists</a>, Previous: <a href="Bytevector-Manipulation.html" accesskey="p" rel="prev">Manipulating Bytevectors</a>, Up: <a href="Bytevectors.html" accesskey="u" rel="up">Bytevectors</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<h4 class="subsubsection" id="Interpreting-Bytevector-Contents-as-Integers"><span>6.6.12.3 Interpreting Bytevector Contents as Integers<a class="copiable-link" href="#Interpreting-Bytevector-Contents-as-Integers"> ¶</a></span></h4>
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<p>The contents of a bytevector can be interpreted as a sequence of
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integers of any given size, sign, and endianness.
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</p>
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<div class="example lisp">
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<pre class="lisp-preformatted">(let ((bv (make-bytevector 4)))
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(bytevector-u8-set! bv 0 #x12)
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(bytevector-u8-set! bv 1 #x34)
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(bytevector-u8-set! bv 2 #x56)
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(bytevector-u8-set! bv 3 #x78)
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(map (lambda (number)
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(number->string number 16))
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(list (bytevector-u8-ref bv 0)
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(bytevector-u16-ref bv 0 (endianness big))
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(bytevector-u32-ref bv 0 (endianness little)))))
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⇒ ("12" "1234" "78563412")
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</pre></div>
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<p>The most generic procedures to interpret bytevector contents as integers
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are described below.
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</p>
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<dl class="first-deffn">
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<dt class="deffn" id="index-bytevector_002duint_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-uint-ref</strong> <var class="def-var-arguments">bv index endianness size</var><a class="copiable-link" href="#index-bytevector_002duint_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fuint_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_uint_ref</strong> <var class="def-var-arguments">(bv, index, endianness, size)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fuint_005fref"> ¶</a></span></dt>
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<dd><p>Return the <var class="var">size</var>-byte long unsigned integer at index <var class="var">index</var> in
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<var class="var">bv</var>, decoded according to <var class="var">endianness</var>.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-bytevector_002dsint_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-sint-ref</strong> <var class="def-var-arguments">bv index endianness size</var><a class="copiable-link" href="#index-bytevector_002dsint_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fsint_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_sint_ref</strong> <var class="def-var-arguments">(bv, index, endianness, size)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fsint_005fref"> ¶</a></span></dt>
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<dd><p>Return the <var class="var">size</var>-byte long signed integer at index <var class="var">index</var> in
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<var class="var">bv</var>, decoded according to <var class="var">endianness</var>.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-bytevector_002duint_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-uint-set!</strong> <var class="def-var-arguments">bv index value endianness size</var><a class="copiable-link" href="#index-bytevector_002duint_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fuint_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_uint_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness, size)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fuint_005fset_005fx"> ¶</a></span></dt>
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<dd><p>Set the <var class="var">size</var>-byte long unsigned integer at <var class="var">index</var> to
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<var class="var">value</var>, encoded according to <var class="var">endianness</var>.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-bytevector_002dsint_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-sint-set!</strong> <var class="def-var-arguments">bv index value endianness size</var><a class="copiable-link" href="#index-bytevector_002dsint_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fsint_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_sint_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness, size)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fsint_005fset_005fx"> ¶</a></span></dt>
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<dd><p>Set the <var class="var">size</var>-byte long signed integer at <var class="var">index</var> to
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<var class="var">value</var>, encoded according to <var class="var">endianness</var>.
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</p></dd></dl>
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<p>The following procedures are similar to the ones above, but specialized
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to a given integer size:
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</p>
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<a class="anchor" id="x_002dbytevector_002du8_002dref"></a><dl class="first-deffn">
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<dt class="deffn" id="index-bytevector_002du8_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u8-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002du8_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds8_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s8-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002ds8_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du16_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u16-ref</strong> <var class="def-var-arguments">bv index endianness</var><a class="copiable-link" href="#index-bytevector_002du16_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds16_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s16-ref</strong> <var class="def-var-arguments">bv index endianness</var><a class="copiable-link" href="#index-bytevector_002ds16_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du32_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u32-ref</strong> <var class="def-var-arguments">bv index endianness</var><a class="copiable-link" href="#index-bytevector_002du32_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds32_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s32-ref</strong> <var class="def-var-arguments">bv index endianness</var><a class="copiable-link" href="#index-bytevector_002ds32_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du64_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u64-ref</strong> <var class="def-var-arguments">bv index endianness</var><a class="copiable-link" href="#index-bytevector_002du64_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds64_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s64-ref</strong> <var class="def-var-arguments">bv index endianness</var><a class="copiable-link" href="#index-bytevector_002ds64_002dref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu8_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u8_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu8_005fref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs8_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s8_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs8_005fref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu16_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u16_ref</strong> <var class="def-var-arguments">(bv, index, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu16_005fref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs16_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s16_ref</strong> <var class="def-var-arguments">(bv, index, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs16_005fref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu32_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u32_ref</strong> <var class="def-var-arguments">(bv, index, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu32_005fref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs32_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s32_ref</strong> <var class="def-var-arguments">(bv, index, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs32_005fref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu64_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u64_ref</strong> <var class="def-var-arguments">(bv, index, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu64_005fref"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs64_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s64_ref</strong> <var class="def-var-arguments">(bv, index, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs64_005fref"> ¶</a></span></dt>
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<dd><p>Return the unsigned <var class="var">n</var>-bit (signed) integer (where <var class="var">n</var> is 8,
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16, 32 or 64) from <var class="var">bv</var> at <var class="var">index</var>, decoded according to
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<var class="var">endianness</var>.
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</p></dd></dl>
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<a class="anchor" id="x_002dbytevector_002du8_002dset_0021"></a><dl class="first-deffn">
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<dt class="deffn" id="index-bytevector_002du8_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u8-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002du8_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds8_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s8-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002ds8_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du16_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u16-set!</strong> <var class="def-var-arguments">bv index value endianness</var><a class="copiable-link" href="#index-bytevector_002du16_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds16_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s16-set!</strong> <var class="def-var-arguments">bv index value endianness</var><a class="copiable-link" href="#index-bytevector_002ds16_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du32_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u32-set!</strong> <var class="def-var-arguments">bv index value endianness</var><a class="copiable-link" href="#index-bytevector_002du32_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds32_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s32-set!</strong> <var class="def-var-arguments">bv index value endianness</var><a class="copiable-link" href="#index-bytevector_002ds32_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du64_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u64-set!</strong> <var class="def-var-arguments">bv index value endianness</var><a class="copiable-link" href="#index-bytevector_002du64_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds64_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s64-set!</strong> <var class="def-var-arguments">bv index value endianness</var><a class="copiable-link" href="#index-bytevector_002ds64_002dset_0021"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu8_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u8_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu8_005fset_005fx"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs8_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s8_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs8_005fset_005fx"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu16_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u16_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu16_005fset_005fx"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs16_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s16_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs16_005fset_005fx"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu32_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u32_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu32_005fset_005fx"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs32_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s32_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs32_005fset_005fx"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu64_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u64_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu64_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs64_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s64_set_x</strong> <var class="def-var-arguments">(bv, index, value, endianness)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs64_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dd><p>Store <var class="var">value</var> as an <var class="var">n</var>-bit (signed) integer (where <var class="var">n</var> is
|
||
|
|
8, 16, 32 or 64) in <var class="var">bv</var> at <var class="var">index</var>, encoded according to
|
||
|
|
<var class="var">endianness</var>.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<p>Finally, a variant specialized for the host’s endianness is available
|
||
|
|
for each of these functions (with the exception of the <code class="code">u8</code> and
|
||
|
|
<code class="code">s8</code> accessors, as endianness is about byte order and there is only
|
||
|
|
1 byte):
|
||
|
|
</p>
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-bytevector_002du16_002dnative_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u16-native-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002du16_002dnative_002dref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds16_002dnative_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s16-native-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002ds16_002dnative_002dref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du32_002dnative_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u32-native-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002du32_002dnative_002dref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds32_002dnative_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s32-native-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002ds32_002dnative_002dref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du64_002dnative_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u64-native-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002du64_002dnative_002dref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds64_002dnative_002dref"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s64-native-ref</strong> <var class="def-var-arguments">bv index</var><a class="copiable-link" href="#index-bytevector_002ds64_002dnative_002dref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu16_005fnative_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u16_native_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu16_005fnative_005fref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs16_005fnative_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s16_native_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs16_005fnative_005fref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu32_005fnative_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u32_native_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu32_005fnative_005fref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs32_005fnative_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s32_native_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs32_005fnative_005fref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu64_005fnative_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u64_native_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu64_005fnative_005fref"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs64_005fnative_005fref"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s64_native_ref</strong> <var class="def-var-arguments">(bv, index)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs64_005fnative_005fref"> ¶</a></span></dt>
|
||
|
|
<dd><p>Return the unsigned <var class="var">n</var>-bit (signed) integer (where <var class="var">n</var> is 8,
|
||
|
|
16, 32 or 64) from <var class="var">bv</var> at <var class="var">index</var>, decoded according to the
|
||
|
|
host’s native endianness.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-bytevector_002du16_002dnative_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u16-native-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002du16_002dnative_002dset_0021"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds16_002dnative_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s16-native-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002ds16_002dnative_002dset_0021"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du32_002dnative_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u32-native-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002du32_002dnative_002dset_0021"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds32_002dnative_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s32-native-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002ds32_002dnative_002dset_0021"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002du64_002dnative_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-u64-native-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002du64_002dnative_002dset_0021"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-bytevector_002ds64_002dnative_002dset_0021"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">bytevector-s64-native-set!</strong> <var class="def-var-arguments">bv index value</var><a class="copiable-link" href="#index-bytevector_002ds64_002dnative_002dset_0021"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu16_005fnative_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u16_native_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu16_005fnative_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs16_005fnative_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s16_native_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs16_005fnative_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu32_005fnative_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u32_native_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu32_005fnative_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs32_005fnative_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s32_native_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs32_005fnative_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fu64_005fnative_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_u64_native_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fu64_005fnative_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fbytevector_005fs64_005fnative_005fset_005fx"><span class="category-def">C Function: </span><span><strong class="def-name">scm_bytevector_s64_native_set_x</strong> <var class="def-var-arguments">(bv, index, value)</var><a class="copiable-link" href="#index-scm_005fbytevector_005fs64_005fnative_005fset_005fx"> ¶</a></span></dt>
|
||
|
|
<dd><p>Store <var class="var">value</var> as an <var class="var">n</var>-bit (signed) integer (where <var class="var">n</var> is
|
||
|
|
8, 16, 32 or 64) in <var class="var">bv</var> at <var class="var">index</var>, encoded according to the
|
||
|
|
host’s native endianness.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
|
||
|
|
</div>
|
||
|
|
<hr>
|
||
|
|
<div class="nav-panel">
|
||
|
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<p>
|
||
|
|
Next: <a href="Bytevectors-and-Integer-Lists.html">Converting Bytevectors to/from Integer Lists</a>, Previous: <a href="Bytevector-Manipulation.html">Manipulating Bytevectors</a>, Up: <a href="Bytevectors.html">Bytevectors</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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|
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</html>
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