Provided by: libsdl3-image-doc_3.2.4+ds-1_all 

NAME
IMG_SavePNG - Save an SDL_Surface into a PNG image file.
HEADER FILE
Defined in SDL3_image/SDL_image.h
SYNOPSIS
#include "SDL3_image/SDL_image.h" bool IMG_SavePNG(SDL_Surface *surface, const char *file);
DESCRIPTION
If the file already exists, it will be overwritten.
FUNCTION PARAMETERS
surface the SDL surface to save. file path on the filesystem to write new file to.
RETURN VALUE
Returns true on success or false on failure; call SDL_GetError() for more information.
AVAILABILITY
This function is available since SDL_image 3.0.0.
SEE ALSO
•(3), IMG_SavePNG_IO(3) SDL_image SDL_image 3.2.4 IMG_SavePNG(3)