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

SDL_memset

Initialize all bytes of buffer of memory to a specific value.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

void * SDL_memset(void *dst, int c, size_t len);

Function Parameters

void * dst the destination memory region. Must not be NULL.
int c the byte value to set.
size_t len the length, in bytes, to set in dst.

Return Value

(void *) Returns dst.

Remarks

This function will set len bytes, pointed to by dst, to the value specified in c.

Despite c being an int instead of a char, this only operates on bytes; c must be a value between 0 and 255, inclusive.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.


CategoryAPI, CategoryAPIFunction, CategoryStdinc


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