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

NAME
SDL_DuplicateSurface - Creates a new surface identical to the existing surface.
SYNOPSIS
#include <SDL3/SDL_surface.h>
SDL_Surface * SDL_DuplicateSurface(SDL_Surface *surface);
DESCRIPTION
If the original surface has alternate images, the new surface will have a reference to them as well.
The returned surface should be freed with SDL_DestroySurface().
FUNCTION PARAMETERS
surface
the surface to duplicate.
RETURN VALUE
Returns a copy of the surface or NULL on failure; call SDL_GetError() for more information.
THREAD SAFETY
This function is not thread safe.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
SDL_DestroySurface(3)
Simple Directmedia Layer SDL 3.2.20 SDL_DuplicateSurface(3)