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

SDL_memcmp

Compare two buffers of memory.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

int SDL_memcmp(const void *s1, const void *s2, size_t len);

Function Parameters

const void *	s1	the first buffer to compare. NULL is not permitted!
const void *	s2	the second buffer to compare. NULL is not permitted!
size_t	len	the number of bytes to compare between the buffers.

Return Value

(int) Returns less than zero if s1 is "less than" s2, greater than zero if s1 is "greater than" s2, and zero if the buffers match exactly for len bytes.

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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