<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Rendered using the Haskell Html Library v0.2--> <HTML ><HEAD ><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" ><TITLE >System.Posix.Unistd</TITLE ><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css" ><SCRIPT SRC="haddock-util.js" TYPE="text/javascript" ></SCRIPT ></HEAD ><BODY ><DIV CLASS="outer" ><DIV CLASS="mini-topbar" >System.Posix.Unistd</DIV ><DIV CLASS="mini-synopsis" ><H1 >System environment </H1 > <DIV CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-Posix-Unistd.html#t%3ASystemID" TARGET="main" >SystemID</A > </DIV > <DIV CLASS="decl" ><A HREF="System-Posix-Unistd.html#v%3AgetSystemID" TARGET="main" >getSystemID</A ></DIV > <DIV CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="System-Posix-Unistd.html#t%3ASysVar" TARGET="main" >SysVar</A > </DIV > <DIV CLASS="decl" ><A HREF="System-Posix-Unistd.html#v%3AgetSysVar" TARGET="main" >getSysVar</A ></DIV > <H1 >Sleeping </H1 > <DIV CLASS="decl" ><A HREF="System-Posix-Unistd.html#v%3Asleep" TARGET="main" >sleep</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-Unistd.html#v%3Ausleep" TARGET="main" >usleep</A ></DIV > <DIV CLASS="decl" ><A HREF="System-Posix-Unistd.html#v%3Ananosleep" TARGET="main" >nanosleep</A ></DIV ></DIV ></DIV ></BODY ></HTML >