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

NAME
SDL_ALPHA_TRANSPARENT_FLOAT - A fully transparent floating point alpha value.
SYNOPSIS
#include <SDL3/SDL_pixels.h>
#define SDL_ALPHA_TRANSPARENT_FLOAT 0.0f
AVAILABILITY
This macro is available since SDL 3.2.0.
SEE ALSO
SDL_ALPHA_OPAQUE_FLOAT(3)
Simple Directmedia Layer SDL 3.2.20 SDL_ALPHA_TRANSPARENT_FLOAT(3)