These were initially referred to as simply the Windows API, but were later renamed to Win16 in an effort to distinguish it from the newer, bit version of the Windows API. Despite the file extension of exe, these actually are dynamically linked libraries.
Win32 is the bit API for modern versions of Windows. The core DLLs of Win32 are kernel Win32 was introduced with Windows NT. The version of Win32 that was shipped with Windows 95 was initially referred to as Win32c, with the "c" standing for "compatibility", but this term was later abandoned by Microsoft in favour of Win In Windows NT 4.
Win32s is an extension for the Windows 3. The "s" stands for "subset". The bit versions are just two more supported platforms within Windows NT architecture and both bit and bit versions of an application can still be compiled from a single code base.
All memory pointers are bit by default the LLP64 model , so the source code has to be checked for compatibility with bit pointer arithmetic and rewritten as necessary. There are no new functions specific to bit versions of Windows. It defines the types of requests that can be made, how they are made, the data formats that are used, and the conventions to follow.
Developers widely use APIs, and without them, Windows operating systems would not be able to function as they do. The term Windows API is a little misleading, though, as it collectively refers to several platform implementations that are frequently referred to by their distinct version names. But the API can be used by any programming language assembler to handle low-level data structures, along with things like calling conventions for calls and call-backs.
Virtually every time Microsoft launches a new version of Windows, it includes changes and additions to the Windows API. However, the name of the API stayed mostly consistent between different Windows versions, although there were name changes along the way. Over the years, we have seen the following Windows API versions.
It consists of functions implemented in system DLLs. The core DLLs are kernel Win32s is an extension for the Windows 3. This is a variant of the API implemented on Windows bit platforms. Both bit and bit versions of an application can be compiled from one codebase. However, some older APIs have been deprecated. Because the memory pointers are all bit, by default, the source code must be checked to ensure it is compatible with bit pointer arithmetic, and be rewritten as required.
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