int find_gl(const char *name, int logdepth, int fatal);
int find_gl_vao(const char *name, int logdepth, int fatal);
int find_gl_fb_attachment(const char *name, int logdepth, int fatal);

int find_glu(const char *name, int logdepth, int fatal);
int find_glut(const char *name, int logdepth, int fatal);
int find_gui_wgl(const char *name, int logdepth, int fatal);
int find_glfw(const char *name, int logdepth, int fatal);

