standout
gl->standout = NULL;
gl->standout = NULL;
gl->standout = gl_tigetstr(gl, "smso");
gl->standout = gl_tgetstr(gl, "so", &tgetstr_buf_ptr);
if(!gl->standout)
gl->standout = GL_ESC_STR "[1;7m";
const char *standout; /* Turn on standout mode */
gl_print_control_sequence(gl, 1, gl->standout))
extern int standout(void);
(standout)()
extern int standout(void);
(void) standout();