sdl_wm_setcaption(3) - Linux man page
Name
SDL_WM_SetCaption - Sets the window tile and icon name.Synopsis
#include "SDL.h"
void SDL_WM_SetCaption(const char *title, const char *icon);
Description
Sets the title-bar and icon name of the display window.
See Also
SDL_WM_GetCaption, SDL_WM_SetIcon