left.htm

linux下一些常用的C函数的说明和例子

          <a href="function/05.html#linuxc68" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/05.html#linuxc68" target="mainFrame">strtok</a><br>
          <br>
          <a href="function/06.html#linuxc69" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc69" target="mainFrame"><font size="2">常用数学函数篇</font></a><br>
          <a href="function/06.html#linuxc70" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc70" target="mainFrame">abs</a><br>
          <a href="function/06.html#linuxc71" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc71" target="mainFrame">acos</a><br>
          <a href="function/06.html#linuxc72" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc72" target="mainFrame">asin</a><br>
          <a href="function/06.html#linuxc73" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc73" target="mainFrame">atan</a><br>
          <a href="function/06.html#linuxc74" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc74" target="mainFrame">atan2</a><br>
          <a href="function/06.html#linuxc75" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc75" target="mainFrame">ceil</a><br>
          <a href="function/06.html#linuxc76" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc76" target="mainFrame">cos</a><br>
          <a href="function/06.html#linuxc77" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc77" target="mainFrame">cosh</a><br>
          <a href="function/06.html#linuxc78" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc78" target="mainFrame">exp</a><br>
          <a href="function/06.html#linuxc79" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc79" target="mainFrame">frexp</a><br>
          <a href="function/06.html#linuxc80" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc80" target="mainFrame">ldexp</a><br>
          <a href="function/06.html#linuxc81" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc81" target="mainFrame">log</a><br>
          <a href="function/06.html#linuxc82" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc82" target="mainFrame">log10</a><br>
          <a href="function/06.html#linuxc83" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc83" target="mainFrame">pow</a><br>
          <a href="function/06.html#linuxc84" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc84" target="mainFrame">sin</a><br>
          <a href="function/06.html#linuxc85" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc85" target="mainFrame">sinh</a><br>
          <a href="function/06.html#linuxc86" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc86" target="mainFrame">sqrt</a><br>
          <a href="function/06.html#linuxc87" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc87" target="mainFrame">tan</a><br>
          <a href="function/06.html#linuxc88" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/06.html#linuxc88" target="mainFrame">tanh</a><br>
          <br>
          <a href="function/07.html#linuxc89" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc89" target="mainFrame"><font size="2">用户组篇</font></a><br>
          <a href="function/07.html#linuxc90" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc90" target="mainFrame">endgrent</a><br>
          <a href="function/07.html#linuxc91" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc91" target="mainFrame">endpwent</a><br>
          <a href="function/07.html#linuxc92" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc92" target="mainFrame">endutent</a><br>
          <a href="function/07.html#linuxc93" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc93" target="mainFrame">fgetgrent</a><br>
          <a href="function/07.html#linuxc94" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc94" target="mainFrame">fgetpwent</a><br>
          <a href="function/07.html#linuxc95" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc95" target="mainFrame">getegid</a><br>
          <a href="function/07.html#linuxc96" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc96" target="mainFrame">geteuid</a><br>
          <a href="function/07.html#linuxc97" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc97" target="mainFrame">getgid</a><br>
          <a href="function/07.html#linuxc98" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc98" target="mainFrame">getgrent</a><br>
          <a href="function/07.html#linuxc99" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc99" target="mainFrame">getgrgid</a><br>
          <a href="function/07.html#linuxc100" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc100" target="mainFrame">getgrnam</a><br>
          <a href="function/07.html#linuxc101" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc101" target="mainFrame">getgroups</a><br>
          <a href="function/07.html#linuxc102" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc102" target="mainFrame">getpw</a><br>
          <a href="function/07.html#linuxc103" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc103" target="mainFrame">getpwent</a><br>
          <a href="function/07.html#linuxc104" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc104" target="mainFrame">getpwnam</a><br>
          <a href="function/07.html#linuxc105" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc105" target="mainFrame">getpwuid</a><br>
          <a href="function/07.html#linuxc106" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc106" target="mainFrame">getuid</a><br>
          <a href="function/07.html#linuxc107" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc107" target="mainFrame">getutent</a><br>
          <a href="function/07.html#linuxc108" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc108" target="mainFrame">getutid</a><br>
          <a href="function/07.html#linuxc109" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc109" target="mainFrame">getutline</a><br>
          <a href="function/07.html#linuxc110" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc110" target="mainFrame">initgroups</a><br>
          <a href="function/07.html#linuxc111" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc111" target="mainFrame">pututline</a><br>
          <a href="function/07.html#linuxc112" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc112" target="mainFrame">seteuid</a><br>
          <a href="function/07.html#linuxc113" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc113" target="mainFrame">setfsgid</a><br>
          <a href="function/07.html#linuxc114" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc114" target="mainFrame">setfsuid</a><br>
          <a href="function/07.html#linuxc115" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc115" target="mainFrame">setgid</a><br>
          <a href="function/07.html#linuxc116" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc116" target="mainFrame">setgrent</a><br>
          <a href="function/07.html#linuxc117" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc117" target="mainFrame">setgroups</a><br>
          <a href="function/07.html#linuxc118" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc118" target="mainFrame">setpwent</a><br>
          <a href="function/07.html#linuxc119" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc119" target="mainFrame">setregid</a><br>
          <a href="function/07.html#linuxc120" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc120" target="mainFrame">setreuid</a><br>
          <a href="function/07.html#linuxc121" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc121" target="mainFrame">setuid</a><br>
          <a href="function/07.html#linuxc122" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc122" target="mainFrame">setutent</a><br>
          <a href="function/07.html#linuxc123" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/07.html#linuxc123" target="mainFrame">utmpname</a><br>
          <br>
          <a href="function/08.html#linuxc124" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc124" target="mainFrame"><font size="2">数据结构及算法篇</font></a><br>
          <a href="function/08.html#linuxc125" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc125" target="mainFrame">crypt</a><br>
          <a href="function/08.html#linuxc126" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc126" target="mainFrame">bsearch</a><br>
          <a href="function/08.html#linuxc127" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc127" target="mainFrame">lfind</a><br>
          <a href="function/08.html#linuxc128" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc128" target="mainFrame">lsearch</a><br>
          <a href="function/08.html#linuxc129" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc129" target="mainFrame">qsort</a><br>
          <a href="function/08.html#linuxc130" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc130" target="mainFrame">rand</a><br>
          <a href="function/08.html#linuxc131" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/08.html#linuxc131" target="mainFrame">srand</a><br>
          <br>
          <a href="function/09.html#linuxc132" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc132" target="mainFrame"><font size="2">文件操作篇</font></a><br>
          <a href="function/09.html#linuxc133" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc133" target="mainFrame">close</a><br>
          <a href="function/09.html#linuxc134" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc134" target="mainFrame">creat</a><br>
          <a href="function/09.html#linuxc135" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc135" target="mainFrame">dup</a><br>
          <a href="function/09.html#linuxc136" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc136" target="mainFrame">dup2</a><br>
          <a href="function/09.html#linuxc137" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc137" target="mainFrame">fcntl</a><br>
          <a href="function/09.html#linuxc138" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc138" target="mainFrame">flock</a><br>
          <a href="function/09.html#linuxc139" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc139" target="mainFrame">fsync</a><br>
          <a href="function/09.html#linuxc140" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc140" target="mainFrame">lseek</a><br>
          <a href="function/09.html#linuxc141" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc141" target="mainFrame">mkstemp</a><br>
          <a href="function/09.html#linuxc142" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc142" target="mainFrame">open</a><br>
          <a href="function/09.html#linuxc143" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc143" target="mainFrame">read</a><br>
          <a href="function/09.html#linuxc144" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc144" target="mainFrame">sync</a><br>
          <a href="function/09.html#linuxc145" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/09.html#linuxc145" target="mainFrame">write</a><br>
          <br>
          <a href="function/10.html#linuxc146" tppabs="http://net.pku.edu.cn/~yhf/linux_c/function/10.html#linuxc146" target="mainFrame"><font size="2">文件内容操作篇</font></a><br>