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| <h4 class="subsection">7.6.1 <code>localeconv</code>: It is portable but <small class="dots">...</small></h4> |
| |
| <p>Together with the <code>setlocale</code> function the ISO C<!-- /@w --> people |
| invented the <code>localeconv</code> function. It is a masterpiece of poor |
| design. It is expensive to use, not extendable, and not generally |
| usable as it provides access to only <code>LC_MONETARY</code> and |
| <code>LC_NUMERIC</code> related information. Nevertheless, if it is |
| applicable to a given situation it should be used since it is very |
| portable. The function <code>strfmon</code> formats monetary amounts |
| according to the selected locale using this information. |
| <a name="index-locale_002eh-706"></a><a name="index-monetary-value-formatting-707"></a><a name="index-numeric-value-formatting-708"></a> |
| <!-- locale.h --> |
| <!-- ISO --> |
| |
| <div class="defun"> |
| — Function: struct lconv * <b>localeconv</b> (<var>void</var>)<var><a name="index-localeconv-709"></a></var><br> |
| <blockquote><p>The <code>localeconv</code> function returns a pointer to a structure whose |
| components contain information about how numeric and monetary values |
| should be formatted in the current locale. |
| |
| <p>You should not modify the structure or its contents. The structure might |
| be overwritten by subsequent calls to <code>localeconv</code>, or by calls to |
| <code>setlocale</code>, but no other function in the library overwrites this |
| value. |
| </p></blockquote></div> |
| |
| <!-- locale.h --> |
| <!-- ISO --> |
| <div class="defun"> |
| — Data Type: <b>struct lconv</b><var><a name="index-struct-lconv-710"></a></var><br> |
| <blockquote><p><code>localeconv</code>'s return value is of this data type. Its elements are |
| described in the following subsections. |
| </p></blockquote></div> |
| |
| <p>If a member of the structure <code>struct lconv</code> has type <code>char</code>, |
| and the value is <code>CHAR_MAX</code>, it means that the current locale has |
| no value for that parameter. |
| |
| <ul class="menu"> |
| <li><a accesskey="1" href="General-Numeric.html#General-Numeric">General Numeric</a>: Parameters for formatting numbers and |
| currency amounts. |
| <li><a accesskey="2" href="Currency-Symbol.html#Currency-Symbol">Currency Symbol</a>: How to print the symbol that identifies an |
| amount of money (e.g. ‘<samp><span class="samp">$</span></samp>’). |
| <li><a accesskey="3" href="Sign-of-Money-Amount.html#Sign-of-Money-Amount">Sign of Money Amount</a>: How to print the (positive or negative) sign |
| for a monetary amount, if one exists. |
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