56 engine_cmd_getc(engine_state_t *E)  in engine_cmd_getc()  argument
58 	if (E->sc_cmd_file != NULL)  in engine_cmd_getc()
59 		return (getc(E->sc_cmd_file));  in engine_cmd_getc()
61 	if (E->sc_cmd_flags & SC_CMD_EOF)  in engine_cmd_getc()
64 	if (E->sc_cmd_bufoff < E->sc_cmd_bufsz)  in engine_cmd_getc()
65 		return (*(E->sc_cmd_buf + E->sc_cmd_bufoff++));  in engine_cmd_getc()
67 	if (!(E->sc_cmd_flags & SC_CMD_IACTIVE)) {  in engine_cmd_getc()
68 		E->sc_cmd_flags |= SC_CMD_EOF;  in engine_cmd_getc()
78 			E->sc_cmd_flags |= SC_CMD_EOF;  in engine_cmd_getc()
83 			E->sc_cmd_buf = gl_get_line(E->sc_gl, "> ", NULL, -1);  in engine_cmd_getc()
84 			if (E->sc_cmd_buf != NULL)  in engine_cmd_getc()
87 			switch (gl_return_status(E->sc_gl)) {  in engine_cmd_getc()
89 				gl_abandon_line(E->sc_gl);  in engine_cmd_getc()
93 				E->sc_cmd_flags |= SC_CMD_EOF;  in engine_cmd_getc()
98 				    gl_error_message(E->sc_gl, NULL, 0));  in engine_cmd_getc()
105 				    __LINE__, gl_return_status(E->sc_gl));  in engine_cmd_getc()
111 		E->sc_cmd_bufsz = strlen(E->sc_cmd_buf);  in engine_cmd_getc()
112 		E->sc_cmd_bufoff = 1;  in engine_cmd_getc()
114 		return (E->sc_cmd_buf[0]);  in engine_cmd_getc()
120 engine_cmd_ungetc(engine_state_t *E, char c)  in engine_cmd_ungetc()  argument
122 	if (E->sc_cmd_file != NULL)  in engine_cmd_ungetc()
123 		return (ungetc(c, E->sc_cmd_file));  in engine_cmd_ungetc()
125 	if (E->sc_cmd_buf != NULL)  in engine_cmd_ungetc()
126 		*(E->sc_cmd_buf + --E->sc_cmd_bufoff) = c;  in engine_cmd_ungetc()
133 engine_cmd_nputs(engine_state_t *E, char *c, size_t n)  in engine_cmd_nputs()  argument