(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_memset4

Initialize all 32-bit words of buffer of memory to a specific value.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

void * SDL_memset4(void *dst, Uint32 val, size_t dwords);

Function Parameters

void *	dst	the destination memory region. Must not be NULL.
Uint32	val	the Uint32 value to set.
size_t	dwords	the number of Uint32 values to set in dst.

Return Value

(void *) Returns dst.

Remarks

This function will set a buffer of dwords Uint32 values, pointed to by dst, to the value specified in val.

Unlike SDL_memset, this sets 32-bit values, not bytes, so it's not limited to a range of 0-255.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.

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CategoryAPI, CategoryAPIFunction, CategoryStdinc

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