GL_ESC_STR
gl->right = GL_ESC_STR "[C";
gl->up = GL_ESC_STR "[A";
gl->home = GL_ESC_STR "[H";
gl->clear_eol = GL_ESC_STR "[K";
gl->clear_eod = GL_ESC_STR "[J";
gl->u_arrow = GL_ESC_STR "[A";
gl->d_arrow = GL_ESC_STR "[B";
gl->l_arrow = GL_ESC_STR "[D";
gl->r_arrow = GL_ESC_STR "[C";
gl->bold = GL_ESC_STR "[1m";
gl->underline = GL_ESC_STR "[4m";
gl->standout = GL_ESC_STR "[1;7m";
gl->reverse = GL_ESC_STR "[7m";
gl->blink = GL_ESC_STR "[5m";
gl->text_attr_off = GL_ESC_STR "[m";