Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_HINT_VULKAN_LIBRARY - Specify the Vulkan library to load.
SYNOPSIS
#include <SDL3/SDL_hints.h>
#define SDL_HINT_VULKAN_LIBRARY "SDL_VULKAN_LIBRARY"
DESCRIPTION
This hint should be set before creating a Vulkan window or calling SDL_Vulkan_LoadLibrary().
AVAILABILITY
This hint is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_HINT_VULKAN_LIBRARY(3)