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(standards.info)Writing C

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Making The Best Use of C
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   This node provides advice on how best to use the C language when
writing GNU software.

Formatting

Formatting Your Source Code

Comments

Commenting Your Work

Syntactic Conventions

Clean Use of C Constructs

Names

Naming Variables, Functions, and Files

System Portability

Portability between different operating systems

CPU Portability

Supporting the range of CPU types

System Functions

Portability and ``standard'' library functions

Internationalization

Techniques for internationalization

Mmap

How you can safely use `mmap'.