This macro can be used to fill a version structure with the compile-time version of the SDL_ttf library.
Defined in <SDL_ttf.h>
#define SDL_TTF_VERSION(X)                          \
{                                                   \
    (X)->major = SDL_TTF_MAJOR_VERSION;             \
    (X)->minor = SDL_TTF_MINOR_VERSION;             \
    (X)->patch = SDL_TTF_PATCHLEVEL;                \
}