N_CHARS
char line_buf[N_LINES][N_CHARS];
char big_buf[3 + (N_LINES * (N_CHARS - 1)) + (N_LINES * 2) + 1];
(void) snprintf(line_buf[i], N_CHARS,
(void) snprintf(line_buf[i], N_CHARS,
(void) snprintf(line_buf[i], N_CHARS, "talk: respond with: talk %s@%s",