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    34. 

  34. 

  35. <ul class="toc">
    36. 

  36. <li class="clear">
    37. 

  37. 

  38. <ul class="toc">
    39. 

  39. <li class="level2"><div class="li"><span class="li"><a href="start#basic_ifstream" class="toc">basic_ifstream</a></span></div></li>
    40. 

  40. <li class="level2"><div class="li"><span class="li"><a href="start#section" class="toc"></a></span></div>
    41. 

  41. <ul class="toc">
    42. 

  42. <li class="level3"><div class="li"><span class="li"><a href="start#inherited_from_basic_istream" class="toc">Inherited from basic_istream</a></span></div></li>
    43. 

  43. </ul>
    44. 

  44. </li>
    45. 

  45. <li class="level2"><div class="li"><span class="li"><a href="start#section1" class="toc"></a></span></div>
    46. 

  46. <ul class="toc">
    47. 

  47. <li class="level3"><div class="li"><span class="li"><a href="start#inherited_from_basic_ios" class="toc">Inherited from basic_ios</a></span></div></li>
    48. 

  48. </ul>
    49. 

  49. </li>
    50. 

  50. <li class="level2"><div class="li"><span class="li"><a href="start#section2" class="toc"></a></span></div>
    51. 

  51. <ul class="toc">
    52. 

  52. <li class="level3"><div class="li"><span class="li"><a href="start#inherited_from_ios_base" class="toc">Inherited from ios_base</a></span></div></li>
    53. 

  53. <li class="level3"><div class="li"><span class="li"><a href="start#see_also" class="toc">See also</a></span></div></li></ul>
    54. 

  54. </li></ul>
    55. 

  55. </li></ul>
    56. 

  56. </div>
    57. 

  57. </div>
    58. 

  58. <!-- TOC END -->
    59. 

  59. 

  60. <h2 class="sectionedit1"><a name="basic_ifstream" id="basic_ifstream">basic_ifstream</a></h2>
    61. 

  61. <div class="level2">
    62. 

  62. 

  63. <p>
    64. 

  64. 

  65. <img src="http://www.cppreference.com/wiki/lib/exe/fetch.php?hash=aced49&amp;media=http%3A%2F%2Fchart.apis.google.com%2Fchart%3Fcht%3Dgv%253Adot%26chl%3Ddigraph%2520inheritance%2520%257B%250A%2520%2520graph%2520%255Bdpi%253D%252255%2522%252C%2520label%253D%2522Inheritance%2520diagram%2522%255D%250A%2520%2520node%2520%255Bshape%2520%253D%2520box%252C%2520fontsize%253D14%255D%253B%2520%2520%2520%2520%2520%250A%2509%250A%2520%2520base%2520%255Blabel%2520%253D%2520%2522ios_base%2522%255D%253B%2520%250A%2520%2520ios%2520%255Blabel%2520%253D%2520%2522basic_ios%253CChar%252C%2520Traits%253E%2522%255D%253B%2520%250A%2520%2520ist%2520%255Blabel%2520%253D%2520%2522basic_istream%253CChar%252C%2520Traits%253E%2522%255D%253B%250A%2520%2520ifst%2520%255Blabel%2520%253D%2520%2522basic_ifstream%253CChar%252C%2520Traits%253E%2522%252C%2520style%253Dfilled%255D%253B%250A%250A%2520%2520base%2520-%253E%2520ios%253B%250A%2520%2520ios%2520-%253E%2520ist%253B%250A%2520%2520ist%2520-%253E%2520ifst%253B%250A%257D" class="mediaright" alt=""/>
    66. 

  66. </p>
    67. 

  67. <pre class="cpp code cpp"><span class="co2">#include &lt;fstream&gt;</span>
    68. 

  68. &nbsp;
    69. 

  69. <span class="kw2">template</span><span class="sy1">&lt;</span>
    70. 

  70.     <span class="kw2">class</span> Char,
    71. 

  71.     <span class="kw2">class</span> Traits <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">char_traits</span><span class="sy1">&lt;</span>Char<span class="sy1">&gt;</span>
    72. 

  72. <span class="sy1">&gt;</span> <span class="kw2">class</span> basic_ifstream<span class="sy4">;</span>         <span class="co1">//inherits std::basic_istream&lt;Char, Traits&gt;</span></pre>
    73. 

  73. <p>
    74. 

  74. The class template <code>basic_ifstream</code> provides support for input operations on file based streams. It directly inherits <a href="../basic_istream/start" class="wikilink1" title="io:basic_istream:start">basic_istream</a> class and therefore indirectly inherits members of <a href="../ios_base/start" class="wikilink1" title="io:ios_base:start">ios_base</a> and <a href="../basic_ios/start" class="wikilink1" title="io:basic_ios:start">basic_ios</a> classes. Two specializations for common character types are also defined:
    75. 

  75. </p>
    76. 

  76. <pre class="cpp code cpp"><span class="kw4">typedef</span> basic_ifstream<span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span> ifstream<span class="sy4">;</span>
    77. 

  77. <span class="kw4">typedef</span> basic_ifstream<span class="sy1">&lt;</span><span class="kw4">wchar_t</span><span class="sy1">&gt;</span> wifstream<span class="sy4">;</span></pre>
    78. 

  78. <p>
    79. 

  79. 

  80. <br/>
    81. 

  81. 

  82. 

  83. </p>
    84. 

  84. 

  85. </div>
    86. 

  86. 

  87. <h4><a name="member_types" id="member_types">Member types</a></h4>
    88. 

  88. <div class="level4">
    89. 

  89. <div class="table sectionedit2"><table class="inline">
    90. 

  90. 	<tr class="row0">
    91. 

  91. 		<th class="col0"> Member type </th><th class="col1"> Definition </th>
    92. 

  92. 	</tr>
    93. 

  93. 	<tr class="row1">
    94. 

  94. 		<td class="col0"> <code>char_type</code> </td><td class="col1"> <code>Traits::char_type</code> </td>
    95. 

  95. 	</tr>
    96. 

  96. 	<tr class="row2">
    97. 

  97. 		<td class="col0"> <code>int_type</code> </td><td class="col1"> <code>Traits::int_type</code> </td>
    98. 

  98. 	</tr>
    99. 

  99. 	<tr class="row3">
    100. 

  100. 		<td class="col0"> <code>pos_type</code> </td><td class="col1"> <code>Traits::pos_type</code> </td>
    101. 

  101. 	</tr>
    102. 

  102. 	<tr class="row4">
    103. 

  103. 		<td class="col0"> <code>off_type</code> </td><td class="col1"> <code>Traits::off_type</code> </td>
    104. 

  104. 	</tr>
    105. 

  105. 	<tr class="row5">
    106. 

  106. 		<td class="col0"> <code>state_type</code> </td><td class="col1"> <code>Traits::state_type</code> </td>
    107. 

  107. 	</tr>
    108. 

  108. </table></div>
    109. 

  109. <!-- EDIT2 TABLE [1022-1256] -->
    110. 

  110. </div>
    111. 

  111. 

  112. <h4><a name="member_functions" id="member_functions">Member functions</a></h4>
    113. 

  113. <div class="level4">
    114. 

  114. <div class="table sectionedit3"><table class="inline">
    115. 

  115. 	<tr class="row0">
    116. 

  116. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ifstream/basic_ifstream" class="wikilink2" title="io:basic_ifstream:basic_ifstream" rel="nofollow"> (constructor) </a> </td><td class="col1"> constructs the file stream </td>
    117. 

  117. 	</tr>
    118. 

  118. 	<tr class="row1">
    119. 

  119. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ifstream/operator_as" class="wikilink2" title="io:basic_ifstream:operator_as" rel="nofollow"> operator= </a> </td><td class="col1"> assigns the file stream (<a href="../../c_0x" class="wikilink1" title="c_0x">C++0x</a> feature) </td>
    120. 

  120. 	</tr>
    121. 

  121. 	<tr class="row2">
    122. 

  122. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ifstream/swap" class="wikilink2" title="io:basic_ifstream:swap" rel="nofollow">swap</a> </td><td class="col1"> swaps the file streams (<a href="../../c_0x" class="wikilink1" title="c_0x">C++0x</a> feature) </td>
    123. 

  123. 	</tr>
    124. 

  124. 	<tr class="row3">
    125. 

  125. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ifstream/rdbuf" class="wikilink2" title="io:basic_ifstream:rdbuf" rel="nofollow">rdbuf</a> </td><td class="col1"> returns the underlying <code>basic_filebuf</code> object </td>
    126. 

  126. 	</tr>
    127. 

  127. </table></div>
    128. 

  128. <!-- EDIT3 TABLE [1283-1554] -->
    129. 

  129. </div>
    130. 

  130. 

  131. <h5><a name="file_operations" id="file_operations">File operations</a></h5>
    132. 

  132. <div class="level5">
    133. 

  133. <div class="table sectionedit4"><table class="inline">
    134. 

  134. 	<tr class="row0">
    135. 

  135. 		<td class="col0"> <a href="is_open" class="wikilink1" title="io:basic_ifstream:is_open">is_open</a> </td><td class="col1"> checks if the stream has an associated file </td>
    136. 

  136. 	</tr>
    137. 

  137. 	<tr class="row1">
    138. 

  138. 		<td class="col0"> <a href="open" class="wikilink1" title="io:basic_ifstream:open">open</a> </td><td class="col1"> opens a file and associates it with the stream </td>
    139. 

  139. 	</tr>
    140. 

  140. 	<tr class="row2">
    141. 

  141. 		<td class="col0"> <a href="close" class="wikilink1" title="io:basic_ifstream:close">close</a> </td><td class="col1"> closes the associated file </td>
    142. 

  142. 	</tr>
    143. 

  143. </table></div>
    144. 

  144. <!-- EDIT4 TABLE [1577-1743] -->
    145. 

  145. </div>
    146. 

  146. <div class="level2">
    147. 

  147. 

  148. </div>
    149. 

  149. <div class="plugin_include_content" id="plugin_include__io:basic_istream:template_inh_members">
    150. 

  150. 

  151. <p>
    152. 

  152. <br/>
    153. 

  153. 

  154. </p>
    155. 

  155. <hr />
    156. 

  156. <!-- EDIT1 SECTION "basic_ifstream" [1-10] -->
    157. 

  157. <h3 class="sectionedit5"><a name="inherited_from_basic_istream" id="inherited_from_basic_istream">Inherited from basic_istream</a></h3>
    158. 

  158. <div class="level3">
    159. 

  159. 

  160. <p>
    161. 

  161. 

  162. See <a href="../basic_istream/start" class="wikilink1" title="io:basic_istream:start">basic_istream</a>
    163. 

  163. </p>
    164. 

  164. 

  165. </div>
    166. 

  166. 

  167. <h4><a name="member_functions1" id="member_functions1">Member functions</a></h4>
    168. 

  168. <div class="level4">
    169. 

  169. 

  170. </div>
    171. 

  171. 

  172. <h5><a name="formatted_input" id="formatted_input">Formatted input</a></h5>
    173. 

  173. <div class="level5">
    174. 

  174. <div class="table sectionedit6"><table class="inline">
    175. 

  175. 	<tr class="row0">
    176. 

  176. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_istream/operator_gt_gt" class="wikilink2" title="io:basic_istream:operator_gt_gt" rel="nofollow"> operator&gt;&gt;</a> </td><td class="col1"> extracts formatted data </td>
    177. 

  177. 	</tr>
    178. 

  178. </table></div>
    179. 

  179. <!-- EDIT6 TABLE [123-184] -->
    180. 

  180. </div>
    181. 

  181. 

  182. <h5><a name="unformatted_input" id="unformatted_input">Unformatted input</a></h5>
    183. 

  183. <div class="level5">
    184. 

  184. <div class="table sectionedit7"><table class="inline">
    185. 

  185. 	<tr class="row0">
    186. 

  186. 		<td class="col0"> <a href="../basic_istream/get" class="wikilink1" title="io:basic_istream:get">get</a> </td><td class="col1"> extracts characters </td>
    187. 

  187. 	</tr>
    188. 

  188. 	<tr class="row1">
    189. 

  189. 		<td class="col0"> <a href="../basic_istream/peek" class="wikilink1" title="io:basic_istream:peek">peek</a> </td><td class="col1"> reads the next character without extracting it </td>
    190. 

  190. 	</tr>
    191. 

  191. 	<tr class="row2">
    192. 

  192. 		<td class="col0"> <a href="../basic_istream/unget" class="wikilink1" title="io:basic_istream:unget">unget</a> </td><td class="col1"> unextracts a character </td>
    193. 

  193. 	</tr>
    194. 

  194. 	<tr class="row3">
    195. 

  195. 		<td class="col0"> <a href="../basic_istream/putback" class="wikilink1" title="io:basic_istream:putback">putback</a> </td><td class="col1"> puts character into input stream </td>
    196. 

  196. 	</tr>
    197. 

  197. 	<tr class="row4">
    198. 

  198. 		<td class="col0"> <a href="../basic_istream/getline" class="wikilink1" title="io:basic_istream:getline">getline</a> </td><td class="col1"> extracts characters until the given character is found </td>
    199. 

  199. 	</tr>
    200. 

  200. 	<tr class="row5">
    201. 

  201. 		<td class="col0"> <a href="../basic_istream/ignore" class="wikilink1" title="io:basic_istream:ignore">ignore</a> </td><td class="col1"> extracts and discards characters until the given character is found </td>
    202. 

  202. 	</tr>
    203. 

  203. 	<tr class="row6">
    204. 

  204. 		<td class="col0"> <a href="../basic_istream/read" class="wikilink1" title="io:basic_istream:read">read</a> </td><td class="col1"> extracts blocks of characters </td>
    205. 

  205. 	</tr>
    206. 

  206. 	<tr class="row7">
    207. 

  207. 		<td class="col0"> <a href="../basic_istream/readsome" class="wikilink1" title="io:basic_istream:readsome">readsome</a> </td><td class="col1"> extracts already available blocks of characters </td>
    208. 

  208. 	</tr>
    209. 

  209. 	<tr class="row8">
    210. 

  210. 		<td class="col0"> <a href="../basic_istream/gcount" class="wikilink1" title="io:basic_istream:gcount">gcount</a> </td><td class="col1"> returns number of characters extracted by last unformatted input operation </td>
    211. 

  211. 	</tr>
    212. 

  212. </table></div>
    213. 

  213. <!-- EDIT7 TABLE [209-756] -->
    214. 

  214. </div>
    215. 

  215. 

  216. <h5><a name="positioning" id="positioning">Positioning</a></h5>
    217. 

  217. <div class="level5">
    218. 

  218. <div class="table sectionedit8"><table class="inline">
    219. 

  219. 	<tr class="row0">
    220. 

  220. 		<td class="col0"> <a href="../basic_istream/tellg" class="wikilink1" title="io:basic_istream:tellg">tellg</a> </td><td class="col1"> returns the input position indicator </td>
    221. 

  221. 	</tr>
    222. 

  222. 	<tr class="row1">
    223. 

  223. 		<td class="col0"> <a href="../basic_istream/seekg" class="wikilink1" title="io:basic_istream:seekg">seekg</a> </td><td class="col1"> sets the input position indicator </td>
    224. 

  224. 	</tr>
    225. 

  225. </table></div>
    226. 

  226. <!-- EDIT8 TABLE [775-877] -->
    227. 

  227. </div>
    228. 

  228. 

  229. <h5><a name="miscellaneous" id="miscellaneous">Miscellaneous</a></h5>
    230. 

  230. <div class="level5">
    231. 

  231. <div class="table sectionedit9"><table class="inline">
    232. 

  232. 	<tr class="row0">
    233. 

  233. 		<td class="col0"> <a href="../basic_istream/sync" class="wikilink1" title="io:basic_istream:sync">sync</a> </td><td class="col1"> synchronizes with the underlying storage device </td>
    234. 

  234. 	</tr>
    235. 

  235. 	<tr class="row1">
    236. 

  236. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_istream/sentry" class="wikilink2" title="io:basic_istream:sentry" rel="nofollow">sentry</a> </td><td class="col1"> <a href="http://www.cppreference.com/wiki/io/basic_istream/todo" class="wikilink2" title="io:basic_istream:todo" rel="nofollow">todo</a> </td>
    237. 

  237. 	</tr>
    238. 

  238. </table></div>
    239. 

  239. <!-- EDIT9 TABLE [898-987] -->
    240. 

  240. </div>
    241. 

  241. <div class="secedit">
    242. 

  242. <form class="button btn_incledit" method="post" action="http://www.cppreference.com/wiki/io/basic_ifstream/doku.php"><div class="no">
    243. 

  243. <input type="hidden" name="do" value="edit" /><input type="hidden" name="redirect_id" value="io:basic_ifstream:start" /><input type="hidden" name="id" value="io:basic_istream:template_inh_members" /><input type="submit" value="Edit (io:basic_istream:template_inh_members)" class="button" title="io:basic_istream:template_inh_members"/>
    244. 

  244. </div></form>
    245. 

  245. </div>
    246. 

  246. </div>
    247. 

  247. <div class="level2">
    248. 

  248. 

  249. </div>
    250. 

  250. <div class="level2">
    251. 

  251. 

  252. </div>
    253. 

  253. <div class="plugin_include_content" id="plugin_include__io:basic_ios:template_inh_members">
    254. 

  254. 

  255. <p>
    256. 

  256. <br/>
    257. 

  257. 

  258. </p>
    259. 

  259. <hr />
    260. 

  260. 

  261. <h3 class="sectionedit10"><a name="inherited_from_basic_ios" id="inherited_from_basic_ios">Inherited from basic_ios</a></h3>
    262. 

  262. <div class="level3">
    263. 

  263. 

  264. <p>
    265. 

  265. 

  266. See <a href="../basic_ios/start" class="wikilink1" title="io:basic_ios:start">basic_ios</a>
    267. 

  267. </p>
    268. 

  268. 

  269. </div>
    270. 

  270. 

  271. <h4><a name="member_functions2" id="member_functions2">Member functions</a></h4>
    272. 

  272. <div class="level4">
    273. 

  273. 

  274. </div>
    275. 

  275. 

  276. <h5><a name="state_functions" id="state_functions">State functions</a></h5>
    277. 

  277. <div class="level5">
    278. 

  278. <div class="table sectionedit11"><table class="inline">
    279. 

  279. 	<tr class="row0">
    280. 

  280. 		<td class="col0"> <a href="../basic_ios/good" class="wikilink1" title="io:basic_ios:good">good</a> </td><td class="col1"> checks if no error has occurred i.e. I/O operations are available </td>
    281. 

  281. 	</tr>
    282. 

  282. 	<tr class="row1">
    283. 

  283. 		<td class="col0"> <a href="../basic_ios/eof" class="wikilink1" title="io:basic_ios:eof">eof</a> </td><td class="col1"> checks if end-of-file has been reached </td>
    284. 

  284. 	</tr>
    285. 

  285. 	<tr class="row2">
    286. 

  286. 		<td class="col0"> <a href="../basic_ios/fail" class="wikilink1" title="io:basic_ios:fail">fail</a> </td><td class="col1"> checks if a recoverable error has occurred </td>
    287. 

  287. 	</tr>
    288. 

  288. 	<tr class="row3">
    289. 

  289. 		<td class="col0"> <a href="../basic_ios/bad" class="wikilink1" title="io:basic_ios:bad">bad</a> </td><td class="col1"> checks if a non-recoverable error has occurred </td>
    290. 

  290. 	</tr>
    291. 

  291. 	<tr class="row4">
    292. 

  292. 		<td class="col0"> <a href="../basic_ios/operator_neg" class="wikilink1" title="io:basic_ios:operator_neg"> operator !</a> </td><td class="col1"> checks if an error has occurred (synonym of <a href="../basic_ios/fail" class="wikilink1" title="io:basic_ios:fail">fail</a>) </td>
    293. 

  293. 	</tr>
    294. 

  294. 	<tr class="row5">
    295. 

  295. 		<td class="col0"> <a href="../basic_ios/operator_bool" class="wikilink1" title="io:basic_ios:operator_bool"> operator bool</a> </td><td class="col1"> checks if no error has occurred (synonym of <a href="../basic_ios/good" class="wikilink1" title="io:basic_ios:good">good</a>) </td>
    296. 

  296. 	</tr>
    297. 

  297. 	<tr class="row6">
    298. 

  298. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/rdstate" class="wikilink2" title="io:basic_ios:rdstate" rel="nofollow">rdstate</a> </td><td class="col1"> returns state flags </td>
    299. 

  299. 	</tr>
    300. 

  300. 	<tr class="row7">
    301. 

  301. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/setstate" class="wikilink2" title="io:basic_ios:setstate" rel="nofollow">setstate</a> </td><td class="col1"> sets state flags </td>
    302. 

  302. 	</tr>
    303. 

  303. 	<tr class="row8">
    304. 

  304. 		<td class="col0"> <a href="../basic_ios/clear" class="wikilink1" title="io:basic_ios:clear">clear</a> </td><td class="col1"> clears error and eof flags </td>
    305. 

  305. 	</tr>
    306. 

  306. </table></div>
    307. 

  307. <!-- EDIT11 TABLE [115-668] -->
    308. 

  308. </div>
    309. 

  309. 

  310. <h5><a name="formatting" id="formatting">Formatting</a></h5>
    311. 

  311. <div class="level5">
    312. 

  312. <div class="table sectionedit12"><table class="inline">
    313. 

  313. 	<tr class="row0">
    314. 

  314. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/copyfmt" class="wikilink2" title="io:basic_ios:copyfmt" rel="nofollow">copyfmt</a> </td><td class="col1"> copies formatting information </td>
    315. 

  315. 	</tr>
    316. 

  316. 	<tr class="row1">
    317. 

  317. 		<td class="col0"> <a href="../basic_ios/fill" class="wikilink1" title="io:basic_ios:fill">fill</a> </td><td class="col1"> manages the fill character </td>
    318. 

  318. 	</tr>
    319. 

  319. </table></div>
    320. 

  320. <!-- EDIT12 TABLE [686-775] -->
    321. 

  321. </div>
    322. 

  322. 

  323. <h5><a name="miscellaneous1" id="miscellaneous1">Miscellaneous</a></h5>
    324. 

  324. <div class="level5">
    325. 

  325. <div class="table sectionedit13"><table class="inline">
    326. 

  326. 	<tr class="row0">
    327. 

  327. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/exceptions" class="wikilink2" title="io:basic_ios:exceptions" rel="nofollow">exceptions</a> </td><td class="col1"> manages exception mask </td>
    328. 

  328. 	</tr>
    329. 

  329. 	<tr class="row1">
    330. 

  330. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/imbue" class="wikilink2" title="io:basic_ios:imbue" rel="nofollow">imbue</a> </td><td class="col1"> sets the locale </td>
    331. 

  331. 	</tr>
    332. 

  332. 	<tr class="row2">
    333. 

  333. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/rdbuf" class="wikilink2" title="io:basic_ios:rdbuf" rel="nofollow">rdbuf</a> </td><td class="col1"> manages associated stream buffer </td>
    334. 

  334. 	</tr>
    335. 

  335. 	<tr class="row3">
    336. 

  336. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/tie" class="wikilink2" title="io:basic_ios:tie" rel="nofollow">tie</a> </td><td class="col1"> manages tied stream </td>
    337. 

  337. 	</tr>
    338. 

  338. 	<tr class="row4">
    339. 

  339. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/narrow" class="wikilink2" title="io:basic_ios:narrow" rel="nofollow">narrow</a> </td><td class="col1"> narrows characters </td>
    340. 

  340. 	</tr>
    341. 

  341. 	<tr class="row5">
    342. 

  342. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/basic_ios/widen" class="wikilink2" title="io:basic_ios:widen" rel="nofollow">widen</a> </td><td class="col1"> widens characters </td>
    343. 

  343. 	</tr>
    344. 

  344. </table></div>
    345. 

  345. <!-- EDIT13 TABLE [796-1024] -->
    346. 

  346. </div>
    347. 

  347. <div class="secedit">
    348. 

  348. <form class="button btn_incledit" method="post" action="http://www.cppreference.com/wiki/io/basic_ifstream/doku.php"><div class="no">
    349. 

  349. <input type="hidden" name="do" value="edit" /><input type="hidden" name="redirect_id" value="io:basic_ifstream:start" /><input type="hidden" name="id" value="io:basic_ios:template_inh_members" /><input type="submit" value="Edit (io:basic_ios:template_inh_members)" class="button" title="io:basic_ios:template_inh_members"/>
    350. 

  350. </div></form>
    351. 

  351. </div>
    352. 

  352. </div>
    353. 

  353. <div class="level2">
    354. 

  354. 

  355. </div>
    356. 

  356. <div class="level2">
    357. 

  357. 

  358. </div>
    359. 

  359. <div class="plugin_include_content" id="plugin_include__io:ios_base:template_inh_members">
    360. 

  360. 

  361. <p>
    362. 

  362. <br/>
    363. 

  363. 

  364. </p>
    365. 

  365. <hr />
    366. 

  366. 

  367. <h3 class="sectionedit14"><a name="inherited_from_ios_base" id="inherited_from_ios_base">Inherited from ios_base</a></h3>
    368. 

  368. <div class="level3">
    369. 

  369. 

  370. <p>
    371. 

  371. 

  372. See <a href="../ios_base/start" class="wikilink1" title="io:ios_base:start">ios_base</a>
    373. 

  373. </p>
    374. 

  374. 

  375. </div>
    376. 

  376. 

  377. <h4><a name="member_functions3" id="member_functions3">Member functions</a></h4>
    378. 

  378. <div class="level4">
    379. 

  379. 

  380. </div>
    381. 

  381. 

  382. <h5><a name="formatting1" id="formatting1">Formatting</a></h5>
    383. 

  383. <div class="level5">
    384. 

  384. <div class="table sectionedit15"><table class="inline">
    385. 

  385. 	<tr class="row0">
    386. 

  386. 		<td class="col0"> <a href="../ios_base/flags" class="wikilink1" title="io:ios_base:flags">flags</a> </td><td class="col1"> manages format flags </td>
    387. 

  387. 	</tr>
    388. 

  388. 	<tr class="row1">
    389. 

  389. 		<td class="col0"> <a href="../ios_base/setf" class="wikilink1" title="io:ios_base:setf">setf</a> </td><td class="col1"> sets specific format flag </td>
    390. 

  390. 	</tr>
    391. 

  391. 	<tr class="row2">
    392. 

  392. 		<td class="col0"> <a href="../ios_base/unsetf" class="wikilink1" title="io:ios_base:unsetf">unsetf</a> </td><td class="col1"> clears specific format flag </td>
    393. 

  393. 	</tr>
    394. 

  394. 	<tr class="row3">
    395. 

  395. 		<td class="col0"> <a href="../ios_base/precision" class="wikilink1" title="io:ios_base:precision">precision</a> </td><td class="col1"> manages decimal precision of floating point operations </td>
    396. 

  396. 	</tr>
    397. 

  397. 	<tr class="row4">
    398. 

  398. 		<td class="col0"> <a href="../ios_base/width" class="wikilink1" title="io:ios_base:width">width</a> </td><td class="col1"> manages field width </td>
    399. 

  399. 	</tr>
    400. 

  400. </table></div>
    401. 

  401. <!-- EDIT15 TABLE [109-342] -->
    402. 

  402. </div>
    403. 

  403. 

  404. <h5><a name="locales" id="locales">Locales</a></h5>
    405. 

  405. <div class="level5">
    406. 

  406. <div class="table sectionedit16"><table class="inline">
    407. 

  407. 	<tr class="row0">
    408. 

  408. 		<td class="col0"> <a href="../ios_base/imbue" class="wikilink1" title="io:ios_base:imbue">imbue</a> </td><td class="col1"> sets locale </td>
    409. 

  409. 	</tr>
    410. 

  410. 	<tr class="row1">
    411. 

  411. 		<td class="col0"> <a href="../ios_base/getloc" class="wikilink1" title="io:ios_base:getloc">getloc</a> </td><td class="col1"> returns current locale </td>
    412. 

  412. 	</tr>
    413. 

  413. </table></div>
    414. 

  414. <!-- EDIT16 TABLE [357-424] -->
    415. 

  415. </div>
    416. 

  416. 

  417. <h5><a name="internal_extensible_array" id="internal_extensible_array">Internal extensible array</a></h5>
    418. 

  418. <div class="level5">
    419. 

  419. <div class="table sectionedit17"><table class="inline">
    420. 

  420. 	<tr class="row0">
    421. 

  421. 		<td class="col0"> <a href="../ios_base/xalloc" class="wikilink1" title="io:ios_base:xalloc">xalloc</a> </td><td class="col1"> allocates element of the internal extensible array </td>
    422. 

  422. 	</tr>
    423. 

  423. 	<tr class="row1">
    424. 

  424. 		<td class="col0"> <a href="../ios_base/iword" class="wikilink1" title="io:ios_base:iword">iword</a> </td><td class="col1"> returns reference to specific element of internal extensible array </td>
    425. 

  425. 	</tr>
    426. 

  426. 	<tr class="row2">
    427. 

  427. 		<td class="col0"> <a href="../ios_base/pword" class="wikilink1" title="io:ios_base:pword">pword</a> </td><td class="col1"> returns reference to specific element of internal extensible array </td>
    428. 

  428. 	</tr>
    429. 

  429. </table></div>
    430. 

  430. <!-- EDIT17 TABLE [457-690] -->
    431. 

  431. </div>
    432. 

  432. 

  433. <h5><a name="miscellaneous2" id="miscellaneous2">Miscellaneous</a></h5>
    434. 

  434. <div class="level5">
    435. 

  435. <div class="table sectionedit18"><table class="inline">
    436. 

  436. 	<tr class="row0">
    437. 

  437. 		<td class="col0"> <a href="../ios_base/register_callback" class="wikilink1" title="io:ios_base:register_callback">register_callback</a> </td><td class="col1"> registers event callback function </td>
    438. 

  438. 	</tr>
    439. 

  439. 	<tr class="row1">
    440. 

  440. 		<td class="col0"> <a href="../ios_base/sync_with_stdio" class="wikilink1" title="io:ios_base:sync_with_stdio">sync_with_stdio</a> </td><td class="col1"> manages synchronization settings </td>
    441. 

  441. 	</tr>
    442. 

  442. </table></div>
    443. 

  443. <!-- EDIT18 TABLE [711-831] -->
    444. 

  444. </div>
    445. 

  445. 

  446. <h4><a name="member_types1" id="member_types1">Member types</a></h4>
    447. 

  447. <div class="level4">
    448. 

  448. <div class="table sectionedit19"><table class="inline">
    449. 

  449. 	<tr class="row0">
    450. 

  450. 		<th class="col0"> Member type </th><th class="col1"> Definition </th>
    451. 

  451. 	</tr>
    452. 

  452. 	<tr class="row1">
    453. 

  453. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/ios_base/event" class="wikilink2" title="io:ios_base:event" rel="nofollow">event</a> </td><td class="col1"> specifies event type </td>
    454. 

  454. 	</tr>
    455. 

  455. 	<tr class="row2">
    456. 

  456. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/ios_base/event_callback" class="wikilink2" title="io:ios_base:event_callback" rel="nofollow">event_callback</a> </td><td class="col1"> callback function type </td>
    457. 

  457. 	</tr>
    458. 

  458. 	<tr class="row3">
    459. 

  459. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/ios_base/fmtflags" class="wikilink2" title="io:ios_base:fmtflags" rel="nofollow">fmtflags</a> </td><td class="col1"> formatting flags </td>
    460. 

  460. 	</tr>
    461. 

  461. 	<tr class="row4">
    462. 

  462. 		<td class="col0"> <a href="../ios_base/iostate" class="wikilink1" title="io:ios_base:iostate">iostate</a> </td><td class="col1"> stream state </td>
    463. 

  463. 	</tr>
    464. 

  464. 	<tr class="row5">
    465. 

  465. 		<td class="col0"> <a href="../ios_base/openmode" class="wikilink1" title="io:ios_base:openmode">openmode</a> </td><td class="col1"> opening mode </td>
    466. 

  466. 	</tr>
    467. 

  467. 	<tr class="row6">
    468. 

  468. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/ios_base/seekdir" class="wikilink2" title="io:ios_base:seekdir" rel="nofollow">seekdir</a> </td><td class="col1"> seeking direction </td>
    469. 

  469. 	</tr>
    470. 

  470. </table></div>
    471. 

  471. <!-- EDIT19 TABLE [853-1101] -->
    472. 

  472. </div>
    473. 

  473. 

  474. <h5><a name="member_classes" id="member_classes">Member classes</a></h5>
    475. 

  475. <div class="level5">
    476. 

  476. <div class="table sectionedit20"><table class="inline">
    477. 

  477. 	<tr class="row0">
    478. 

  478. 		<td class="col0"> <a href="http://www.cppreference.com/wiki/io/ios_base/failure" class="wikilink2" title="io:ios_base:failure" rel="nofollow">failure</a> </td><td class="col1"> stream exception </td>
    479. 

  479. 	</tr>
    480. 

  480. 	<tr class="row1">
    481. 

  481. 		<td class="col0"> <a href="../ios_base/init" class="wikilink1" title="io:ios_base:init">Init</a> </td><td class="col1"> initializes standard streams </td>
    482. 

  482. 	</tr>
    483. 

  483. </table></div>
    484. 

  484. <!-- EDIT20 TABLE [1123-1201] -->
    485. 

  485. </div>
    486. 

  486. <div class="secedit">
    487. 

  487. <form class="button btn_incledit" method="post" action="http://www.cppreference.com/wiki/io/basic_ifstream/doku.php"><div class="no">
    488. 

  488. <input type="hidden" name="do" value="edit" /><input type="hidden" name="redirect_id" value="io:basic_ifstream:start" /><input type="hidden" name="id" value="io:ios_base:template_inh_members" /><input type="submit" value="Edit (io:ios_base:template_inh_members)" class="button" title="io:ios_base:template_inh_members"/>
    489. 

  489. </div></form>
    490. 

  490. </div>
    491. 

  491. </div>
    492. 

  492. <div class="level2">
    493. 

  493. 

  494. </div>
    495. 

  495. <!-- EDIT14 SECTION "Inherited from ios_base" [11-1945] -->
    496. 

  496. <h3 class="sectionedit21"><a name="see_also" id="see_also">See also</a></h3>
    497. 

  497. <div class="level3">
    498. 

  498. 

  499. <p>
    500. 

  500. 

  501. <a href="../basic_ofstream/start" class="wikilink1" title="io:basic_ofstream:start">basic_ofstream</a>, <a href="../basic_fstream/start" class="wikilink1" title="io:basic_fstream:start">basic_fstream</a>
    502. 

  502. 

  503. </p>
    504. 

  504. 

  505. </div>
    506. 

  506. <!-- EDIT21 SECTION "See also" [1946-] --></div>
    507. 

  507. </body>
    508. 

  508. </html>
    509. 

  509.