Removed SDL_bool in favor of plain bool

We require stdbool.h in the build environment, so we might as well use the plain bool type.

If your environment doesn't have stdbool.h, this simple replacement will suffice:
typedef signed char bool;

include/SDL3/SDL_iostream.h

@@ -140,9 +140,9 @@ typedef struct SDL_IOStreamInterface
      *  SDL_IOStatus enum. You do not have to explicitly set this on
      *  a successful flush.
      *
-     *  \return SDL_TRUE if successful or SDL_FALSE on write error when flushing data.
+     *  \return true if successful or false on write error when flushing data.
      */
-    SDL_bool (SDLCALL *flush)(void *userdata, SDL_IOStatus *status);
+    bool (SDLCALL *flush)(void *userdata, SDL_IOStatus *status);
 
     /**
      *  Close and free any allocated resources.
@@ -150,9 +150,9 @@ typedef struct SDL_IOStreamInterface
      *  The SDL_IOStream is still destroyed even if this fails, so clean up anything
      *  even if flushing to disk returns an error.
      *
-     *  \return SDL_TRUE if successful or SDL_FALSE on write error when flushing data.
+     *  \return true if successful or false on write error when flushing data.
      */
-    SDL_bool (SDLCALL *close)(void *userdata);
+    bool (SDLCALL *close)(void *userdata);
 
 } SDL_IOStreamInterface;
 
@@ -403,21 +403,21 @@ extern SDL_DECLSPEC SDL_IOStream * SDLCALL SDL_OpenIO(const SDL_IOStreamInterfac
  *
  * SDL_CloseIO() closes and cleans up the SDL_IOStream stream. It releases any
  * resources used by the stream and frees the SDL_IOStream itself. This
- * returns SDL_TRUE on success, or SDL_FALSE if the stream failed to flush to
+ * returns true on success, or false if the stream failed to flush to
  * its output (e.g. to disk).
  *
  * Note that if this fails to flush the stream to disk, this function reports
  * an error, but the SDL_IOStream is still invalid once this function returns.
  *
  * \param context SDL_IOStream structure to close.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_OpenIO
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_CloseIO(SDL_IOStream *context);
+extern SDL_DECLSPEC bool SDLCALL SDL_CloseIO(SDL_IOStream *context);
 
 /**
  * Get the properties associated with an SDL_IOStream.
@@ -605,7 +605,7 @@ extern SDL_DECLSPEC size_t SDLCALL SDL_IOvprintf(SDL_IOStream *context, SDL_PRIN
  * guarantees that any pending data is sent.
  *
  * \param context SDL_IOStream structure to flush.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
@@ -613,7 +613,7 @@ extern SDL_DECLSPEC size_t SDLCALL SDL_IOvprintf(SDL_IOStream *context, SDL_PRIN
  * \sa SDL_OpenIO
  * \sa SDL_WriteIO
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_FlushIO(SDL_IOStream *context);
+extern SDL_DECLSPEC bool SDLCALL SDL_FlushIO(SDL_IOStream *context);
 
 /**
  * Load all the data from an SDL data stream.
@@ -627,7 +627,7 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_FlushIO(SDL_IOStream *context);
  * \param src the SDL_IOStream to read all available data from.
  * \param datasize a pointer filled in with the number of bytes read, may be
  *                 NULL.
- * \param closeio if SDL_TRUE, calls SDL_CloseIO() on `src` before returning,
+ * \param closeio if true, calls SDL_CloseIO() on `src` before returning,
  *                even in the case of an error.
  * \returns the data or NULL on failure; call SDL_GetError() for more
  *          information.
@@ -636,7 +636,7 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_FlushIO(SDL_IOStream *context);
  *
  * \sa SDL_LoadFile
  */
-extern SDL_DECLSPEC void * SDLCALL SDL_LoadFile_IO(SDL_IOStream *src, size_t *datasize, SDL_bool closeio);
+extern SDL_DECLSPEC void * SDLCALL SDL_LoadFile_IO(SDL_IOStream *src, size_t *datasize, bool closeio);
 
 /**
  * Load all the data from a file path.
@@ -670,24 +670,24 @@ extern SDL_DECLSPEC void * SDLCALL SDL_LoadFile(const char *file, size_t *datasi
  *
  * \param src the SDL_IOStream to read from.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU8(SDL_IOStream *src, Uint8 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadU8(SDL_IOStream *src, Uint8 *value);
 
 /**
  * Use this function to read a signed byte from an SDL_IOStream.
  *
  * \param src the SDL_IOStream to read from.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
+ * \returns true on success or false on failure; call SDL_GetError()
  *          for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS8(SDL_IOStream *src, Sint8 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadS8(SDL_IOStream *src, Sint8 *value);
 
 /**
  * Use this function to read 16 bits of little-endian data from an
@@ -698,12 +698,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS8(SDL_IOStream *src, Sint8 *value)
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU16LE(SDL_IOStream *src, Uint16 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadU16LE(SDL_IOStream *src, Uint16 *value);
 
 /**
  * Use this function to read 16 bits of little-endian data from an
@@ -714,12 +714,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU16LE(SDL_IOStream *src, Uint16 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS16LE(SDL_IOStream *src, Sint16 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadS16LE(SDL_IOStream *src, Sint16 *value);
 
 /**
  * Use this function to read 16 bits of big-endian data from an SDL_IOStream
@@ -730,12 +730,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS16LE(SDL_IOStream *src, Sint16 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU16BE(SDL_IOStream *src, Uint16 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadU16BE(SDL_IOStream *src, Uint16 *value);
 
 /**
  * Use this function to read 16 bits of big-endian data from an SDL_IOStream
@@ -746,12 +746,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU16BE(SDL_IOStream *src, Uint16 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS16BE(SDL_IOStream *src, Sint16 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadS16BE(SDL_IOStream *src, Sint16 *value);
 
 /**
  * Use this function to read 32 bits of little-endian data from an
@@ -762,12 +762,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS16BE(SDL_IOStream *src, Sint16 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU32LE(SDL_IOStream *src, Uint32 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadU32LE(SDL_IOStream *src, Uint32 *value);
 
 /**
  * Use this function to read 32 bits of little-endian data from an
@@ -778,12 +778,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU32LE(SDL_IOStream *src, Uint32 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS32LE(SDL_IOStream *src, Sint32 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadS32LE(SDL_IOStream *src, Sint32 *value);
 
 /**
  * Use this function to read 32 bits of big-endian data from an SDL_IOStream
@@ -794,12 +794,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS32LE(SDL_IOStream *src, Sint32 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU32BE(SDL_IOStream *src, Uint32 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadU32BE(SDL_IOStream *src, Uint32 *value);
 
 /**
  * Use this function to read 32 bits of big-endian data from an SDL_IOStream
@@ -810,12 +810,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU32BE(SDL_IOStream *src, Uint32 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS32BE(SDL_IOStream *src, Sint32 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadS32BE(SDL_IOStream *src, Sint32 *value);
 
 /**
  * Use this function to read 64 bits of little-endian data from an
@@ -826,12 +826,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS32BE(SDL_IOStream *src, Sint32 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU64LE(SDL_IOStream *src, Uint64 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadU64LE(SDL_IOStream *src, Uint64 *value);
 
 /**
  * Use this function to read 64 bits of little-endian data from an
@@ -842,12 +842,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU64LE(SDL_IOStream *src, Uint64 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS64LE(SDL_IOStream *src, Sint64 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadS64LE(SDL_IOStream *src, Sint64 *value);
 
 /**
  * Use this function to read 64 bits of big-endian data from an SDL_IOStream
@@ -858,12 +858,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS64LE(SDL_IOStream *src, Sint64 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU64BE(SDL_IOStream *src, Uint64 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadU64BE(SDL_IOStream *src, Uint64 *value);
 
 /**
  * Use this function to read 64 bits of big-endian data from an SDL_IOStream
@@ -874,12 +874,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadU64BE(SDL_IOStream *src, Uint64 *va
  *
  * \param src the stream from which to read data.
  * \param value a pointer filled in with the data read.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS64BE(SDL_IOStream *src, Sint64 *value);
+extern SDL_DECLSPEC bool SDLCALL SDL_ReadS64BE(SDL_IOStream *src, Sint64 *value);
 /* @} *//* Read endian functions */
 
 /**
@@ -894,24 +894,24 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_ReadS64BE(SDL_IOStream *src, Sint64 *va
  *
  * \param dst the SDL_IOStream to write to.
  * \param value the byte value to write.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU8(SDL_IOStream *dst, Uint8 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteU8(SDL_IOStream *dst, Uint8 value);
 
 /**
  * Use this function to write a signed byte to an SDL_IOStream.
  *
  * \param dst the SDL_IOStream to write to.
  * \param value the byte value to write.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS8(SDL_IOStream *dst, Sint8 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteS8(SDL_IOStream *dst, Sint8 value);
 
 /**
  * Use this function to write 16 bits in native format to an SDL_IOStream as
@@ -923,12 +923,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS8(SDL_IOStream *dst, Sint8 value)
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU16LE(SDL_IOStream *dst, Uint16 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteU16LE(SDL_IOStream *dst, Uint16 value);
 
 /**
  * Use this function to write 16 bits in native format to an SDL_IOStream as
@@ -940,12 +940,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU16LE(SDL_IOStream *dst, Uint16 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS16LE(SDL_IOStream *dst, Sint16 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteS16LE(SDL_IOStream *dst, Sint16 value);
 
 /**
  * Use this function to write 16 bits in native format to an SDL_IOStream as
@@ -956,12 +956,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS16LE(SDL_IOStream *dst, Sint16 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU16BE(SDL_IOStream *dst, Uint16 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteU16BE(SDL_IOStream *dst, Uint16 value);
 
 /**
  * Use this function to write 16 bits in native format to an SDL_IOStream as
@@ -972,12 +972,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU16BE(SDL_IOStream *dst, Uint16 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS16BE(SDL_IOStream *dst, Sint16 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteS16BE(SDL_IOStream *dst, Sint16 value);
 
 /**
  * Use this function to write 32 bits in native format to an SDL_IOStream as
@@ -989,12 +989,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS16BE(SDL_IOStream *dst, Sint16 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU32LE(SDL_IOStream *dst, Uint32 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteU32LE(SDL_IOStream *dst, Uint32 value);
 
 /**
  * Use this function to write 32 bits in native format to an SDL_IOStream as
@@ -1006,12 +1006,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU32LE(SDL_IOStream *dst, Uint32 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS32LE(SDL_IOStream *dst, Sint32 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteS32LE(SDL_IOStream *dst, Sint32 value);
 
 /**
  * Use this function to write 32 bits in native format to an SDL_IOStream as
@@ -1022,12 +1022,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS32LE(SDL_IOStream *dst, Sint32 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU32BE(SDL_IOStream *dst, Uint32 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteU32BE(SDL_IOStream *dst, Uint32 value);
 
 /**
  * Use this function to write 32 bits in native format to an SDL_IOStream as
@@ -1038,12 +1038,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU32BE(SDL_IOStream *dst, Uint32 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS32BE(SDL_IOStream *dst, Sint32 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteS32BE(SDL_IOStream *dst, Sint32 value);
 
 /**
  * Use this function to write 64 bits in native format to an SDL_IOStream as
@@ -1055,12 +1055,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS32BE(SDL_IOStream *dst, Sint32 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU64LE(SDL_IOStream *dst, Uint64 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteU64LE(SDL_IOStream *dst, Uint64 value);
 
 /**
  * Use this function to write 64 bits in native format to an SDL_IOStream as
@@ -1072,12 +1072,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU64LE(SDL_IOStream *dst, Uint64 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS64LE(SDL_IOStream *dst, Sint64 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteS64LE(SDL_IOStream *dst, Sint64 value);
 
 /**
  * Use this function to write 64 bits in native format to an SDL_IOStream as
@@ -1088,12 +1088,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS64LE(SDL_IOStream *dst, Sint64 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU64BE(SDL_IOStream *dst, Uint64 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteU64BE(SDL_IOStream *dst, Uint64 value);
 
 /**
  * Use this function to write 64 bits in native format to an SDL_IOStream as
@@ -1104,12 +1104,12 @@ extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteU64BE(SDL_IOStream *dst, Uint64 va
  *
  * \param dst the stream to which data will be written.
  * \param value the data to be written, in native format.
- * \returns SDL_TRUE on successful write or SDL_FALSE on failure; call
+ * \returns true on successful write or false on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 3.0.0.
  */
-extern SDL_DECLSPEC SDL_bool SDLCALL SDL_WriteS64BE(SDL_IOStream *dst, Sint64 value);
+extern SDL_DECLSPEC bool SDLCALL SDL_WriteS64BE(SDL_IOStream *dst, Sint64 value);
 
 /* @} *//* Write endian functions */