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  2. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    The C language specification includes the typedef s size_t and ptrdiff_t to represent memory-related quantities. Their size is defined according to the target processor's arithmetic capabilities, not the memory capabilities, such as available address space. Both of these types are defined in the <stddef.h> header (cstddef in C++).

  3. Data type - Wikipedia

    en.wikipedia.org/wiki/Data_type

    The standard type hierarchy of Python 3. In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible values, a set of allowed operations on these values, and/or a representation of these values as machine types. [1]

  4. Apple Disk Image - Wikipedia

    en.wikipedia.org/wiki/Apple_Disk_Image

    Apple [1] Disk Image is a disk image format commonly used by the macOS operating system. When opened, an Apple Disk Image is mounted as a volume within the Finder.. An Apple Disk Image can be structured according to one of several proprietary disk image formats, including the Universal Disk Image Format (UDIF) from Mac OS X and the New Disk Image Format (NDIF) from Mac OS 9.

  5. Comparison of programming languages (basic instructions)

    en.wikipedia.org/wiki/Comparison_of_programming...

    uint32_t: int64_t: uint64_t: intptr ... In addition the types size_t and ptrdiff_t are defined in relation to the address size to hold unsigned and signed integers ...

  6. Data structure alignment - Wikipedia

    en.wikipedia.org/wiki/Data_structure_alignment

    One use for such "packed" structures is to conserve memory. For example, a structure containing a single byte (such as a char) and a four-byte integer (such as uint32_t) would require three additional bytes of padding. A large array of such structures would use 37.5% less memory if they are packed, although accessing each structure might take ...

  7. Integer (computer science) - Wikipedia

    en.wikipedia.org/wiki/Integer_(computer_science)

    This issue is resolved by C99 in stdint.h in the form of intptr_t. The bitness of a program may refer to the word size (or bitness) of the processor on which it runs, or it may refer to the width of a memory address or pointer, which can differ between execution modes or contexts.

  8. Mipmap - Wikipedia

    en.wikipedia.org/wiki/Mipmap

    A high-resolution mipmap image is used for high-density samples, such as for objects close to the camera; lower-resolution images are used as the object appears farther away. This is a more efficient way of downscaling a texture than sampling all texels in the original texture that would contribute to a screen pixel ; it is faster to take a ...

  9. unistd.h - Wikipedia

    en.wikipedia.org/wiki/Unistd.h

    In the C and C++ programming languages, unistd.h is the name of the header file that provides access to the POSIX operating system API. [1] It is defined by the POSIX.1 standard, the base of the Single Unix Specification, and should therefore be available in any POSIX-compliant operating system and compiler.