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Some of the facilities implemented by the C library really should be thought of as parts of the C language itself. These facilities ought to be documented in the C Language Manual, not in the library manual; but since we don’t have the language manual yet, and documentation for these features has been written, we are publishing it here.
| • Consistency Checking: | Using assert to abort if
something “impossible” happens.
| |
| • Variadic Functions: | Defining functions with varying numbers of args. | |
| • Null Pointer Constant: | The macro NULL.
| |
| • Important Data Types: | Data types for object sizes. | |
| • Data Type Measurements: | Parameters of data type representations. |