gl_get_line
buf = gl_get_line(gl, p, NULL, -1);
buf = gl_get_line(gl, prompt, NULL, -1);
line = gl_get_line(gl, prompt, NULL, -1);
while((line=gl_get_line(gl, rbuff, NULL, 0))) {
line = gl_get_line(gl_h, prompt, NULL, -1);
s = gl_get_line(state.input.gl,
est->sc_cmd_buf = gl_get_line(est->sc_gl, selfmri, NULL, -1);
E->sc_cmd_buf = gl_get_line(E->sc_gl, "> ", NULL, -1);
line = gl_get_line(gl, prompt, NULL, -1);
if ((buffer = gl_get_line(gl, prompt(), NULL, -1)) == NULL)
input = gl_get_line(gl, info->prompt, NULL, -1);
line = gl_get_line(gl, prompt, NULL, -1);
char *gl_get_line(GetLine *gl, const char *prompt, const char *start_line,