# CategoryEndian

Functions converting endian-specific values to different byte orders.

These functions either unconditionally swap byte order
([SDL_Swap16](SDL_Swap16), [SDL_Swap32](SDL_Swap32),
[SDL_Swap64](SDL_Swap64), [SDL_SwapFloat](SDL_SwapFloat)), or they swap
to/from the system's native byte order ([SDL_Swap16LE](SDL_Swap16LE),
[SDL_Swap16BE](SDL_Swap16BE), [SDL_Swap32LE](SDL_Swap32LE),
[SDL_Swap32BE](SDL_Swap32BE), [SDL_Swap32LE](SDL_Swap32LE),
[SDL_Swap32BE](SDL_Swap32BE), [SDL_SwapFloatLE](SDL_SwapFloatLE),
[SDL_SwapFloatBE](SDL_SwapFloatBE)). In the latter case, the functionality
is provided by macros that become no-ops if a swap isn't necessary: on an
x86 (littleendian) processor, [SDL_Swap32LE](SDL_Swap32LE) does nothing,
but [SDL_Swap32BE](SDL_Swap32BE) reverses the bytes of the data. On a
PowerPC processor (bigendian), the macros behavior is reversed.

The swap routines are inline functions, and attempt to use compiler
intrinsics, inline assembly, and other magic to make byteswapping
efficient.

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## Functions

<!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. -->
<!-- BEGIN CATEGORY LIST: CategoryEndian, CategoryAPIFunction -->
- [SDL_Swap16](SDL_Swap16)
- [SDL_Swap32](SDL_Swap32)
- [SDL_Swap64](SDL_Swap64)
- [SDL_SwapFloat](SDL_SwapFloat)
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## Datatypes

<!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. -->
<!-- BEGIN CATEGORY LIST: CategoryEndian, CategoryAPIDatatype -->
- (none.)
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## Structs

<!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. -->
<!-- BEGIN CATEGORY LIST: CategoryEndian, CategoryAPIStruct -->
- (none.)
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## Enums

<!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. -->
<!-- BEGIN CATEGORY LIST: CategoryEndian, CategoryAPIEnum -->
- (none.)
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## Macros

<!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. -->
<!-- BEGIN CATEGORY LIST: CategoryEndian, CategoryAPIMacro -->
- [SDL_BIG_ENDIAN](SDL_BIG_ENDIAN)
- [SDL_BYTEORDER](SDL_BYTEORDER)
- [SDL_FLOATWORDORDER](SDL_FLOATWORDORDER)
- [SDL_LIL_ENDIAN](SDL_LIL_ENDIAN)
- [SDL_Swap16BE](SDL_Swap16BE)
- [SDL_Swap16LE](SDL_Swap16LE)
- [SDL_Swap32BE](SDL_Swap32BE)
- [SDL_Swap32LE](SDL_Swap32LE)
- [SDL_Swap64BE](SDL_Swap64BE)
- [SDL_Swap64LE](SDL_Swap64LE)
- [SDL_SwapFloatBE](SDL_SwapFloatBE)
- [SDL_SwapFloatLE](SDL_SwapFloatLE)
<!-- END CATEGORY LIST -->


----
[CategoryAPICategory](CategoryAPICategory)