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<link title="Netsmtp" rel="Chapter" href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Rtypes</title>
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<center><h1>Module <a href="type_Rtypes.html">Rtypes</a></h1></center>
<br>
<pre><span class="keyword">module</span> Rtypes: <code class="code">sig</code> <a href="Rtypes.html">..</a> <code class="code">end</code></pre>Basic types<br>
<hr width="100%">
<pre><span class="keyword">type</span> <a name="TYPEint4"></a><code class="type"></code>int4 </pre>
<div class="info">
32 bit signed integer<br>
</div>
<pre><span class="keyword">type</span> <a name="TYPEint8"></a><code class="type"></code>int8 </pre>
<div class="info">
64 bit signed integer<br>
</div>
<pre><span class="keyword">type</span> <a name="TYPEuint4"></a><code class="type"></code>uint4 </pre>
<div class="info">
32 bit unsigned integer<br>
</div>
<pre><span class="keyword">type</span> <a name="TYPEuint8"></a><code class="type"></code>uint8 </pre>
<div class="info">
64 bit unsigned integer<br>
</div>
<pre><span class="keyword">type</span> <a name="TYPEfp4"></a><code class="type"></code>fp4 </pre>
<div class="info">
single precision float<br>
</div>
<pre><span class="keyword">type</span> <a name="TYPEfp8"></a><code class="type"></code>fp8 </pre>
<div class="info">
double precision float<br>
</div>
<pre><span class="keyword">exception</span> <a name="EXCEPTIONCannot_represent"></a>Cannot_represent <span class="keyword">of</span> <code class="type">string</code></pre>
<div class="info">
raised if a conversion can't be done<br>
</div>
<pre><span class="keyword">exception</span> <a name="EXCEPTIONOut_of_range"></a>Out_of_range</pre>
<div class="info">
raised if string position out of range<br>
</div>
<pre><span class="keyword">val</span> <a name="VALmk_int4"></a>mk_int4 : <code class="type">char * char * char * char -> <a href="Rtypes.html#TYPEint4">int4</a></code></pre><pre><span class="keyword">val</span> <a name="VALmk_int8"></a>mk_int8 : <code class="type">char * char * char * char * char * char * char * char -> <a href="Rtypes.html#TYPEint8">int8</a></code></pre><pre><span class="keyword">val</span> <a name="VALmk_uint4"></a>mk_uint4 : <code class="type">char * char * char * char -> <a href="Rtypes.html#TYPEuint4">uint4</a></code></pre><pre><span class="keyword">val</span> <a name="VALmk_uint8"></a>mk_uint8 : <code class="type">char * char * char * char * char * char * char * char -> <a href="Rtypes.html#TYPEuint8">uint8</a></code></pre><div class="info">
<code class="code">mk_</code><t> create integer values from character tuples. In these tuples
the MSB is the first component and the LSB the last.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALdest_int4"></a>dest_int4 : <code class="type"><a href="Rtypes.html#TYPEint4">int4</a> -> char * char * char * char</code></pre><pre><span class="keyword">val</span> <a name="VALdest_int8"></a>dest_int8 : <code class="type"><a href="Rtypes.html#TYPEint8">int8</a> -> char * char * char * char * char * char * char * char</code></pre><pre><span class="keyword">val</span> <a name="VALdest_uint4"></a>dest_uint4 : <code class="type"><a href="Rtypes.html#TYPEuint4">uint4</a> -> char * char * char * char</code></pre><pre><span class="keyword">val</span> <a name="VALdest_uint8"></a>dest_uint8 : <code class="type"><a href="Rtypes.html#TYPEuint8">uint8</a> -> char * char * char * char * char * char * char * char</code></pre><div class="info">
<code class="code">dest_</code><t> destroy integer values and returns the corresponding char
tuples.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALread_int4"></a>read_int4 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEint4">int4</a></code></pre><pre><span class="keyword">val</span> <a name="VALread_int8"></a>read_int8 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEint8">int8</a></code></pre><pre><span class="keyword">val</span> <a name="VALread_uint4"></a>read_uint4 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEuint4">uint4</a></code></pre><pre><span class="keyword">val</span> <a name="VALread_uint8"></a>read_uint8 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEuint8">uint8</a></code></pre><div class="info">
<code class="code">read_</code><t> create integer values from the characters found at a
certain position in the string. Raises <code class="code">Out_of_range</code> if the position
is bad. Network byte order is assumed.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALwrite_int4"></a>write_int4 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEint4">int4</a> -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALwrite_int8"></a>write_int8 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEint8">int8</a> -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALwrite_uint4"></a>write_uint4 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEuint4">uint4</a> -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALwrite_uint8"></a>write_uint8 : <code class="type">string -> int -> <a href="Rtypes.html#TYPEuint8">uint8</a> -> unit</code></pre><div class="info">
<code class="code">write_</code><t> copies the characters corresponding to the integer values
into the string at the given positions. Raises <code class="code">Out_of_range</code> if the
position is bad. Network byte order is assumed.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALwrite_int4_unsafe"></a>write_int4_unsafe : <code class="type">string -> int -> <a href="Rtypes.html#TYPEint4">int4</a> -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALwrite_int8_unsafe"></a>write_int8_unsafe : <code class="type">string -> int -> <a href="Rtypes.html#TYPEint8">int8</a> -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALwrite_uint4_unsafe"></a>write_uint4_unsafe : <code class="type">string -> int -> <a href="Rtypes.html#TYPEuint4">uint4</a> -> unit</code></pre><pre><span class="keyword">val</span> <a name="VALwrite_uint8_unsafe"></a>write_uint8_unsafe : <code class="type">string -> int -> <a href="Rtypes.html#TYPEuint8">uint8</a> -> unit</code></pre><div class="info">
<code class="code">write_</code><t><code class="code">_unsafe</code>: Same, but no index check.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALint4_as_string"></a>int4_as_string : <code class="type"><a href="Rtypes.html#TYPEint4">int4</a> -> string</code></pre><pre><span class="keyword">val</span> <a name="VALint8_as_string"></a>int8_as_string : <code class="type"><a href="Rtypes.html#TYPEint8">int8</a> -> string</code></pre><pre><span class="keyword">val</span> <a name="VALuint4_as_string"></a>uint4_as_string : <code class="type"><a href="Rtypes.html#TYPEuint4">uint4</a> -> string</code></pre><pre><span class="keyword">val</span> <a name="VALuint8_as_string"></a>uint8_as_string : <code class="type"><a href="Rtypes.html#TYPEuint8">uint8</a> -> string</code></pre><div class="info">
<t><code class="code">_as_string</code>: Returns the corresponding string in network byte
order for an integer value<br>
</div>
<br>
Conversions from int to (u)int and vice versa.
On 32-bit computers, the type <code class="code">int</code> can hold 31-bit signed integers
(including the sign, i.e. one bit cannot be used).
On 64-bit computers, the type <code class="code">int</code> can hold 63-bit signed integers
(including the sign, i.e. one bit cannot be used).
The <code class="code">int_of_xxx</code> functions raise <code class="code">Cannot_represent</code> if the number to
convert is too big (or too small) to be represented as <code class="code">int</code>. Note
that this depends on the word size of your architecture.<br>
<pre><span class="keyword">val</span> <a name="VALint_of_int4"></a>int_of_int4 : <code class="type"><a href="Rtypes.html#TYPEint4">int4</a> -> int</code></pre><pre><span class="keyword">val</span> <a name="VALint_of_uint4"></a>int_of_uint4 : <code class="type"><a href="Rtypes.html#TYPEuint4">uint4</a> -> int</code></pre><pre><span class="keyword">val</span> <a name="VALint_of_int8"></a>int_of_int8 : <code class="type"><a href="Rtypes.html#TYPEint8">int8</a> -> int</code></pre><pre><span class="keyword">val</span> <a name="VALint_of_uint8"></a>int_of_uint8 : <code class="type"><a href="Rtypes.html#TYPEuint8">uint8</a> -> int</code></pre><pre><span class="keyword">val</span> <a name="VALint4_of_int"></a>int4_of_int : <code class="type">int -> <a href="Rtypes.html#TYPEint4">int4</a></code></pre><pre><span class="keyword">val</span> <a name="VALuint4_of_int"></a>uint4_of_int : <code class="type">int -> <a href="Rtypes.html#TYPEuint4">uint4</a></code></pre><pre><span class="keyword">val</span> <a name="VALint8_of_int"></a>int8_of_int : <code class="type">int -> <a href="Rtypes.html#TYPEint8">int8</a></code></pre><pre><span class="keyword">val</span> <a name="VALuint8_of_int"></a>uint8_of_int : <code class="type">int -> <a href="Rtypes.html#TYPEuint8">uint8</a></code></pre><br>
Since O'Caml 3.00, there are the types <code class="code">int32</code> and <code class="code">int64</code> representing
32-bit and 64-bit signed integers on every architecture.<br>
<pre><span class="keyword">val</span> <a name="VALint32_of_int4"></a>int32_of_int4 : <code class="type"><a href="Rtypes.html#TYPEint4">int4</a> -> int32</code></pre><pre><span class="keyword">val</span> <a name="VALint32_of_uint4"></a>int32_of_uint4 : <code class="type"><a href="Rtypes.html#TYPEuint4">uint4</a> -> int32</code></pre><pre><span class="keyword">val</span> <a name="VALint32_of_int8"></a>int32_of_int8 : <code class="type"><a href="Rtypes.html#TYPEint8">int8</a> -> int32</code></pre><pre><span class="keyword">val</span> <a name="VALint32_of_uint8"></a>int32_of_uint8 : <code class="type"><a href="Rtypes.html#TYPEuint8">uint8</a> -> int32</code></pre><pre><span class="keyword">val</span> <a name="VALint4_of_int32"></a>int4_of_int32 : <code class="type">int32 -> <a href="Rtypes.html#TYPEint4">int4</a></code></pre><pre><span class="keyword">val</span> <a name="VALuint4_of_int32"></a>uint4_of_int32 : <code class="type">int32 -> <a href="Rtypes.html#TYPEuint4">uint4</a></code></pre><pre><span class="keyword">val</span> <a name="VALint8_of_int32"></a>int8_of_int32 : <code class="type">int32 -> <a href="Rtypes.html#TYPEint8">int8</a></code></pre><pre><span class="keyword">val</span> <a name="VALuint8_of_int32"></a>uint8_of_int32 : <code class="type">int32 -> <a href="Rtypes.html#TYPEuint8">uint8</a></code></pre><pre><span class="keyword">val</span> <a name="VALint64_of_int4"></a>int64_of_int4 : <code class="type"><a href="Rtypes.html#TYPEint4">int4</a> -> int64</code></pre><pre><span class="keyword">val</span> <a name="VALint64_of_uint4"></a>int64_of_uint4 : <code class="type"><a href="Rtypes.html#TYPEuint4">uint4</a> -> int64</code></pre><pre><span class="keyword">val</span> <a name="VALint64_of_int8"></a>int64_of_int8 : <code class="type"><a href="Rtypes.html#TYPEint8">int8</a> -> int64</code></pre><pre><span class="keyword">val</span> <a name="VALint64_of_uint8"></a>int64_of_uint8 : <code class="type"><a href="Rtypes.html#TYPEuint8">uint8</a> -> int64</code></pre><pre><span class="keyword">val</span> <a name="VALint4_of_int64"></a>int4_of_int64 : <code class="type">int64 -> <a href="Rtypes.html#TYPEint4">int4</a></code></pre><pre><span class="keyword">val</span> <a name="VALuint4_of_int64"></a>uint4_of_int64 : <code class="type">int64 -> <a href="Rtypes.html#TYPEuint4">uint4</a></code></pre><pre><span class="keyword">val</span> <a name="VALint8_of_int64"></a>int8_of_int64 : <code class="type">int64 -> <a href="Rtypes.html#TYPEint8">int8</a></code></pre><pre><span class="keyword">val</span> <a name="VALuint8_of_int64"></a>uint8_of_int64 : <code class="type">int64 -> <a href="Rtypes.html#TYPEuint8">uint8</a></code></pre><br>
Casts from <code class="code">uint4</code>/<code class="code">uint8</code> to <code class="code">int32</code>/<code class="code">int64</code>. Here, the sign is ignored and
simply considered as a bit.<br>
<pre><span class="keyword">val</span> <a name="VALlogical_uint4_of_int32"></a>logical_uint4_of_int32 : <code class="type">int32 -> <a href="Rtypes.html#TYPEuint4">uint4</a></code></pre><pre><span class="keyword">val</span> <a name="VALlogical_int32_of_uint4"></a>logical_int32_of_uint4 : <code class="type"><a href="Rtypes.html#TYPEuint4">uint4</a> -> int32</code></pre><pre><span class="keyword">val</span> <a name="VALlogical_uint8_of_int64"></a>logical_uint8_of_int64 : <code class="type">int64 -> <a href="Rtypes.html#TYPEuint8">uint8</a></code></pre><pre><span class="keyword">val</span> <a name="VALlogical_int64_of_uint8"></a>logical_int64_of_uint8 : <code class="type"><a href="Rtypes.html#TYPEuint8">uint8</a> -> int64</code></pre><br>
Floating-point stuff. The following functions all assume that the
system represents fp number in an IEEE-compliant way.<br>
<pre><span class="keyword">val</span> <a name="VALfp8_of_fp4"></a>fp8_of_fp4 : <code class="type"><a href="Rtypes.html#TYPEfp4">fp4</a> -> <a href="Rtypes.html#TYPEfp8">fp8</a></code></pre><pre><span class="keyword">val</span> <a name="VALfp4_of_fp8"></a>fp4_of_fp8 : <code class="type"><a href="Rtypes.html#TYPEfp8">fp8</a> -> <a href="Rtypes.html#TYPEfp4">fp4</a></code></pre><div class="info">
Note <code class="code">fp4_of_fp8</code>: This conversion is not exact. It is quite
normal that precision is lost. Numbers too small or too large
for fp4 are converted to the "infinity" value.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALfloat_of_fp4"></a>float_of_fp4 : <code class="type"><a href="Rtypes.html#TYPEfp4">fp4</a> -> float</code></pre><pre><span class="keyword">val</span> <a name="VALfloat_of_fp8"></a>float_of_fp8 : <code class="type"><a href="Rtypes.html#TYPEfp8">fp8</a> -> float</code></pre><pre><span class="keyword">val</span> <a name="VALfp4_of_float"></a>fp4_of_float : <code class="type">float -> <a href="Rtypes.html#TYPEfp4">fp4</a></code></pre><pre><span class="keyword">val</span> <a name="VALfp8_of_float"></a>fp8_of_float : <code class="type">float -> <a href="Rtypes.html#TYPEfp8">fp8</a></code></pre><br>
Note fp4_of_float: The same problems as in fp4_of_fp8 may arise<br>
<br>
Floating point to bit string and back:<br>
<pre><span class="keyword">val</span> <a name="VALmk_fp4"></a>mk_fp4 : <code class="type">char * char * char * char -> <a href="Rtypes.html#TYPEfp4">fp4</a></code></pre><pre><span class="keyword">val</span> <a name="VALmk_fp8"></a>mk_fp8 : <code class="type">char * char * char * char * char * char * char * char -> <a href="Rtypes.html#TYPEfp8">fp8</a></code></pre><pre><span class="keyword">val</span> <a name="VALdest_fp4"></a>dest_fp4 : <code class="type"><a href="Rtypes.html#TYPEfp4">fp4</a> -> char * char * char * char</code></pre><pre><span class="keyword">val</span> <a name="VALdest_fp8"></a>dest_fp8 : <code class="type"><a href="Rtypes.html#TYPEfp8">fp8</a> -> char * char * char * char * char * char * char * char</code></pre><pre><span class="keyword">val</span> <a name="VALfp4_as_string"></a>fp4_as_string : <code class="type"><a href="Rtypes.html#TYPEfp4">fp4</a> -> string</code></pre><pre><span class="keyword">val</span> <a name="VALfp8_as_string"></a>fp8_as_string : <code class="type"><a href="Rtypes.html#TYPEfp8">fp8</a> -> string</code></pre></body></html>
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