Man page - sdl_memset4(3)

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SDL_memset4 - Initialize all 32-bit words of buffer of memory to a specific value.

Defined in SDL3/SDL_stdinc.h

#include "SDL3/SDL.h"

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

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.

	dst		the destination memory region. Must not be NULL.
	val		the Uint32

value to set.

dwords

the number of Uint32

values to set in dst .

Returns dst .

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.