Send a request to Screen to add a new buffer to a pixmap
#include <screen/screen.h>
int screen_create_pixmap_buffer(screen_pixmap_t pix)
Function Type: Flushing Execution
This function to adds a buffer to a pixmap. A buffer can't be created if a buffer was previously attached using screen_attach_pixmap_buffer().
0 if successful, or -1 if an error occurred (errno is set; refer to errno.h for more details).