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This manual contains the following chapters:

Chapter 1 -
    About This Manual.

    This chapter provides an overview of the contents of this guide.

Chapter 2 -
    Watcom C/C++ Compiler Options.

    This chapter provides a summary and reference section for all the C and
    C++ compiler options.

Chapter 3 -
    The Watcom C/C++ Compilers.

    This chapter describes how to compile an application from the command
    line.  This chapter also describes compiler environment variables,
    benchmarking hints, compiler diagnostics, #include file processing, the
    preprocessor, predefined macros, extended keywords, and the code
    generator.

Chapter 4 -
    Precompiled Headers.

    This chapter describes the use of precompiled headers to speed up
    compilation.

Chapter 5 -
    The Watcom C/C++ Libraries.

    This chapter describes the Watcom C/C++ library directory structure, C
    libraries, class libraries, math libraries, 80x87 math libraries,
    alternate math libraries, the "NO87" environment variable, and the
    run-time initialization routines.

Chapter 6 -
    16-bit Memory Models.

    This chapter describes the Watcom C/C++ memory models (including code
    and data models), the tiny memory model, the mixed memory model, linking
    applications for the various memory models, creating a tiny memory model
    application, and memory layout in an executable.

Chapter 7 -
    16-bit Assembly Language Considerations.

    This chapter describes issues relating to 16-bit interfacing such as
    parameter passing conventions.

Chapter 8 -
    16-bit Pragmas.

    This chapter describes the use of pragmas with the 16-bit compilers.

Chapter 9 -
    32-bit Memory Models.

    This chapter describes the Watcom C/C++ memory models (including code
    and data models), the flat memory model, the mixed memory model, linking
    applications for the various memory models, creating a tiny memory model
    application, and memory layout in an executable.

Chapter 10 -
    32-bit Assembly Language Considerations.

    This chapter describes issues relating to 32-bit interfacing such as
    parameter passing conventions.

Chapter 11 -
    32-bit Pragmas.

    This chapter describes the use of pragmas with the 32-bit compilers.

Chapter 12 -
    In-line Assembly Language.

    This chapter describes in-line assembly language programming using the
    auxiliary pragma.

Chapter 13 -
    Creating ROM-based Applications.

    This chapter discusses some embedded systems issues as they pertain to
    the C library.

Appendix A.  -
    Use of Environment Variables.

    This appendix describes all the environment variables used by the
    compilers and related tools.

Appendix B.  -
    Watcom C/C++ Run-Time Messages.

    This appendix lists all of the C/C++ run-time diagnostic messages with
    an explanation for each.