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1.2.2.1 POSIX Safety Concepts

This manual documents various safety properties of GNU C Library functions, in lines that follow their prototypes and look like:

Preliminary: | MT-Safe | AS-Safe | AC-Safe |

The properties are assessed according to the criteria set forth in the POSIX standard for such safety contexts as Thread-, Async-Signal- and Async-Cancel- -Safety. Intuitive definitions of these properties, attempting to capture the meaning of the standard definitions, follow.

Other keywords that appear in safety notes are defined in subsequent sections.