SDL_srand - Man Page

#include <SDL3/SDL_stdinc.h>

void SDL_srand(Uint64 seed);

Reusing the seed number will cause SDL_rand() to repeat the same stream of 'random' numbers.

seed

the value to use as a random number seed, or 0 to use SDL_GetPerformanceCounter().

This should be called on the same thread that calls SDL_rand()

This function is available since SDL 3.2.0.

SDL_rand(3), SDL_rand_bits(3), SDL_randf(3)

SDL_rand(3), SDL_rand_bits(3), SDL_randf(3).