DOKK / manpages / debian 13 / libsdl3-doc / SDL_memset.3.en
SDL_memset(3) SDL3 FUNCTIONS SDL_memset(3)

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

Defined in SDL3/SDL_stdinc.h

#include "SDL3/SDL.h"
void * SDL_memset(void *dst, int c, size_t len);

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.

the destination memory region. Must not be NULL.
the byte value to set.
the length, in bytes, 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.

SDL 3.2.10 Simple Directmedia Layer