pub unsafe extern "C" fn TCOD_console_vline(
con: TCOD_console_t,
x: c_int,
y: c_int,
l: c_int,
flag: TCOD_bkgnd_flag_t,
)pub unsafe extern "C" fn TCOD_console_vline(
con: TCOD_console_t,
x: c_int,
y: c_int,
l: c_int,
flag: TCOD_bkgnd_flag_t,
)