all_c_functions.html

从www.CppReference.com打包的C++参考手册

      <td class="category-table-td"><a href=
      "stdio/fread.html">fread</a></td>

      <td class="category-table-td">read from a file</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdmem/free.html">free</a></td>

      <td class="category-table-td">returns previously allocated memory
      to the operating system</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/freopen.html">freopen</a></td>

      <td class="category-table-td">open an existing stream with a
      different name</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdmath/frexp.html">frexp</a></td>

      <td class="category-table-td">decomposes a number into scientific
      notation</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/fscanf.html">fscanf</a></td>

      <td class="category-table-td">read formatted input from a
      file</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdio/fseek.html">fseek</a></td>

      <td class="category-table-td">move to a specific location in a
      file</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/fsetpos.html">fsetpos</a></td>

      <td class="category-table-td">move to a specific location in a
      file</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdio/ftell.html">ftell</a></td>

      <td class="category-table-td">returns the current file position
      indicator</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/fwrite.html">fwrite</a></td>

      <td class="category-table-td">write to a file</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdio/getc.html">getc</a></td>

      <td class="category-table-td">read a character from a file</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/getchar.html">getchar</a></td>

      <td class="category-table-td">read a character from
      <strong>STDIN</strong></td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdother/getenv.html">getenv</a></td>

      <td class="category-table-td">get enviornment information about a
      variable</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/gets.html">gets</a></td>

      <td class="category-table-td">read a string from
      <strong>STDIN</strong></td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stddate/gmtime.html">gmtime</a></td>

      <td class="category-table-td">returns a pointer to the current
      Greenwich Mean Time</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/isalnum.html">isalnum</a></td>

      <td class="category-table-td">true if a character is
      alphanumeric</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/isalpha.html">isalpha</a></td>

      <td class="category-table-td">true if a character is
      alphabetic</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/iscntrl.html">iscntrl</a></td>

      <td class="category-table-td">true if a character is a control
      character</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/isdigit.html">isdigit</a></td>

      <td class="category-table-td">true if a character is a digit</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/isgraph.html">isgraph</a></td>

      <td class="category-table-td">true if a character is a graphical
      character</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/islower.html">islower</a></td>

      <td class="category-table-td">true if a character is
      lowercase</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/isprint.html">isprint</a></td>

      <td class="category-table-td">true if a character is a printing
      character</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/ispunct.html">ispunct</a></td>

      <td class="category-table-td">true if a character is
      punctuation</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/isspace.html">isspace</a></td>

      <td class="category-table-td">true if a character is a space
      character</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/isupper.html">isupper</a></td>

      <td class="category-table-td">true if a character is an uppercase
      character</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/isxdigit.html">isxdigit</a></td>

      <td class="category-table-td">true if a character is a
      hexidecimal character</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdmath/labs.html">labs</a></td>

      <td class="category-table-td">absolute value for long
      integers</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdmath/ldexp.html">ldexp</a></td>

      <td class="category-table-td">computes a number in scientific
      notation</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdmath/ldiv.html">ldiv</a></td>

      <td class="category-table-td">returns the quotient and remainder
      of a division, in long integer form</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stddate/localtime.html">localtime</a></td>

      <td class="category-table-td">returns a pointer to the current
      time</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdmath/log.html">log</a></td>

      <td class="category-table-td">natural logarithm</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdmath/log10.html">log10</a></td>

      <td class="category-table-td">natural logarithm, in base 10</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdother/longjmp.html">longjmp</a></td>

      <td class="category-table-td">start execution at a certain point
      in the program</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdmem/malloc.html">malloc</a></td>

      <td class="category-table-td">allocates memory</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/memchr.html">memchr</a></td>

      <td class="category-table-td">searches an array for the first
      occurance of a character</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/memcmp.html">memcmp</a></td>

      <td class="category-table-td">compares two buffers</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/memcpy.html">memcpy</a></td>

      <td class="category-table-td">copies one buffer to another</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdstring/memmove.html">memmove</a></td>

      <td class="category-table-td">moves one buffer to another</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdstring/memset.html">memset</a></td>

      <td class="category-table-td">fills a buffer with a
      character</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stddate/mktime.html">mktime</a></td>

      <td class="category-table-td">returns the calendar version of a
      given time</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdmath/modf.html">modf</a></td>

      <td class="category-table-td">decomposes a number into integer
      and fractional parts</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/perror.html">perror</a></td>

      <td class="category-table-td">displays a string version of the
      current error to <strong>STDERR</strong></td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdmath/pow.html">pow</a></td>

      <td class="category-table-td">returns a given number raised to
      another number</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/printf.html">printf</a></td>

      <td class="category-table-td">write formatted output to
      <strong>STDOUT</strong></td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdio/putc.html">putc</a></td>

      <td class="category-table-td">write a character to a stream</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdio/putchar.html">putchar</a></td>

      <td class="category-table-td">write a character to
      <strong>STDOUT</strong></td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdio/puts.html">puts</a></td>

      <td class="category-table-td">write a string to
      <strong>STDOUT</strong></td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdother/qsort.html">qsort</a></td>

      <td class="category-table-td">perform a quicksort</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=
      "stdother/raise.html">raise</a></td>

      <td class="category-table-td">send a signal to the program</td>
    </tr>

    <tr class="category-table-tr-1">
      <td class="category-table-td"><a href=
      "stdother/rand.html">rand</a></td>

      <td class="category-table-td">returns a pseudorandom number</td>
    </tr>

    <tr class="category-table-tr-2">
      <td class="category-table-td"><a href=