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ICU-5025 Better document scanf and printf.

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X-SVN-Rev: 20115
This commit is contained in:
George Rhoten 2006-08-19 20:25:53 +00:00
parent 1883f8cd46
commit 7815aff56a
1 changed files with 22 additions and 22 deletions
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44
icu4c/source/io/unicode/ustdio.h
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@ -120,30 +120,30 @@
* %[*][format modifier][width][type modifier][format]
*
<table cellspacing="3">
<tr><td>format</td><td>default<br>type</td><td>description</td></tr>
<tr><td>%E</td><td>double</td><td>Scientific with an uppercase exponent</td></tr>
<tr><td>%e</td><td>double</td><td>Scientific with a lowercase exponent</td></tr>
<tr><td>%G</td><td>double</td><td>Use %E or %f for best format</td></tr>
<tr><td>%g</td><td>double</td><td>Use %e or %f for best format</td></tr>
<tr><td>%f</td><td>double</td><td>Simple floating point without the exponent</td></tr>
<tr><td>%X</td><td>int32_t</td><td>ustdio special uppercase hex radix formatting</td></tr>
<tr><td>%x</td><td>int32_t</td><td>ustdio special lowercase hex radix formatting</td></tr>
<tr><td>%d</td><td>int32_t</td><td>Decimal format</td></tr>
<tr><td>%i</td><td>int32_t</td><td>Same as %d</td></tr>
<tr><td>%n</td><td>int32_t</td><td>count (write the number of UTF-16 codeunits read/written)</td></tr>
<tr><td>%o</td><td>int32_t</td><td>ustdio special octal radix formatting</td></tr>
<tr><td>%u</td><td>uint32_t</td><td>Decimal format</td></tr>
<tr><td>%p</td><td>void *</td><td>Prints the pointer value</td></tr>
<tr><td>%s</td><td>char *</td><td>Use default converter or specified converter from fopen</td></tr>
<tr><td>%c</td><td>char</td><td>Use default converter or specified converter from fopen<br>
When width is specified, this acts like a non-NULL-terminated char * string.<br>
<tr><td>format</td><td>default<br>printf<br>type</td><td>default<br>scanf<br>type</td><td>description</td></tr>
<tr><td>%E</td><td>double</td><td>float</td><td>Scientific with an uppercase exponent</td></tr>
<tr><td>%e</td><td>double</td><td>float</td><td>Scientific with a lowercase exponent</td></tr>
<tr><td>%G</td><td>double</td><td>float</td><td>Use %E or %f for best format</td></tr>
<tr><td>%g</td><td>double</td><td>float</td><td>Use %e or %f for best format</td></tr>
<tr><td>%f</td><td>double</td><td>float</td><td>Simple floating point without the exponent</td></tr>
<tr><td>%X</td><td>int32_t</td><td>int32_t</td><td>ustdio special uppercase hex radix formatting</td></tr>
<tr><td>%x</td><td>int32_t</td><td>int32_t</td><td>ustdio special lowercase hex radix formatting</td></tr>
<tr><td>%d</td><td>int32_t</td><td>int32_t</td><td>Decimal format</td></tr>
<tr><td>%i</td><td>int32_t</td><td>int32_t</td><td>Same as %d</td></tr>
<tr><td>%n</td><td>int32_t</td><td>int32_t</td><td>count (write the number of UTF-16 codeunits read/written)</td></tr>
<tr><td>%o</td><td>int32_t</td><td>int32_t</td><td>ustdio special octal radix formatting</td></tr>
<tr><td>%u</td><td>uint32_t</td><td>uint32_t</td><td>Decimal format</td></tr>
<tr><td>%p</td><td>void *</td><td>void *</td><td>Prints the pointer value</td></tr>
<tr><td>%s</td><td>char *</td><td>char *</td><td>Use default converter or specified converter from fopen</td></tr>
<tr><td>%c</td><td>char</td><td>char</td><td>Use default converter or specified converter from fopen<br>
When width is specified for scanf, this acts like a non-NULL-terminated char * string.<br>
By default, only one char is written.</td></tr>
<tr><td>%S</td><td>UChar *</td><td>Null terminated UTF-16 string</td></tr>
<tr><td>%C</td><td>UChar</td><td>16-bit Unicode code unit<br>
When width is specified, this acts like a non-NULL-terminated UChar * string<br>
<tr><td>%S</td><td>UChar *</td><td>UChar *</td><td>Null terminated UTF-16 string</td></tr>
<tr><td>%C</td><td>UChar</td><td>UChar</td><td>16-bit Unicode code unit<br>
When width is specified for scanf, this acts like a non-NULL-terminated UChar * string<br>
By default, only one codepoint is written.</td></tr>
<tr><td>%[]</td><td>UChar *</td><td>(scanf only) Null terminated UTF-16 string which contains the filtered set of characters specified by the UnicodeSet</td></tr>
<tr><td>%%</td><td>N/A</td><td>Show a percent sign</td></tr>
<tr><td>%[]</td><td>&nbsp;</td><td>UChar *</td><td>Null terminated UTF-16 string which contains the filtered set of characters specified by the UnicodeSet</td></tr>
<tr><td>%%</td><td>&nbsp;</td><td>&nbsp;</td><td>Show a percent sign</td></tr>
</table>
Format modifiers