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 HP C/HP-UX Release Notes for HP-UX 11i version 1.5 > Chapter 3 HP C Information Overview

HP C Online Help
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The C compiler online help is a series of html files containing a combination of reference and how-to information, including the following:

  • What is HP C?

  • Program organization

  • Compiling & running HP C programs

  • Optimizing HP C programs

  • Data types & declarations

  • Expressions & operators

  • Statements

  • Preprocessing directives

  • Calling other languages

  • Programming for portability

  • Migrating C programs to HP-UX

Before you begin

Before you begin using HP C Online Help, you should review the following environment variables.

  • You must set the DISPLAY environment variable to a (graphical mode) value that can accommodate the display of an HTML browser.

  • You may set the BROWSER environment variable to point to the location of your HTML browser. If you do not set the BROWSER environment variable, the compiler will automatically run the browser located in /opt/ns-navgold/bin/netscape or /opt/ns-communicator/netscape.

  • You may set the CROOTDIR environment variable to set the root directory of the online help source. If CROOTDIR is not set, the URL of the online help will be file:/opt/ansic/html/guide/${LOCALE}/c_index.html; this is assuming that compiler binaries are located in /opt/ansic/bin.



HP C/HP-UX Release Notes
  		 


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