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Cover of the C99 standards document. C99 (previously C9X, formally ISO/IEC 9899:1999) is a past version of the C programming language open standard. [1] It extends the previous version with new features for the language and the standard library, and helps implementations make better use of available computer hardware, such as IEEE 754-1985 floating-point arithmetic, and compiler technology. [2]
A further qualifier, noalias, was suggested at the December 1987 meeting of the X3J11 committee, but was rejected; its goal was ultimately fulfilled by the restrict qualifier in C99. The motivation for noalias was complementary to volatile , namely that it indicated that even normally unsafe optimizations could be performed.
List of environmental studies topics; List of examples of convergent evolution; List of introduced species; List of life zones by region; List of long-living organisms; List of old growth forests; List of organisms by chromosome count; List of parasitic organisms; List of symbiotic relationships; List of unsolved problems in biology; Lists of ...
C99 also added complex types: float _Complex, double _Complex, long double _Complex. C11 added imaginary types (which were described in an informative annex of C99): float _Imaginary, double _Imaginary, long double _Imaginary. Including the header <complex.h> allows all these types to be accessed with using complex and imaginary respectively.
Several additions of C99 are not supported in the current C++ standard or conflicted with C++ features, such as variable-length arrays, native complex number types and the restrict type qualifier. On the other hand, C99 reduced some other incompatibilities compared with C89 by incorporating C++ features such as // comments and mixed ...
C99 is a past version of the C programming language standard. C99 or C-99 may also refer to: Science and technology. C99, a C compiler for the TI-99/4A home computer;
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
For example, zoology is the study of animals, while botany is the study of plants. Other life sciences focus on aspects common to all or many life forms, such as anatomy and genetics . Some focus on the micro-scale (e.g. molecular biology , biochemistry ) other on larger scales (e.g. cytology , immunology , ethology , pharmacy, ecology).