display_lines
int display_lines(long, long, int);
if (display_lines(current_addr, current_addr, gflag) < 0)
(status > 0 && (status = display_lines(
(status = display_lines(current_addr, current_addr,
if (display_lines(first_addr, second_addr, gflag | GLS) < 0)
if (display_lines(first_addr, second_addr, gflag | GNP) < 0)
if (display_lines(first_addr, second_addr, gflag | GPR) < 0)
if (display_lines(second_addr, min(addr_last,
|| display_lines(second_addr, second_addr, 0) < 0)
display_lines(current_addr, current_addr, gflag) < 0)
int display_lines(FILE *, const char *, off_t);
if (display_lines(fp, fn, off))
display_lines(fp, fn, off);
int display_lines();