All symbols starting with `o' in windoom
O_BINARY
src/m_misc.c:110
occasionally
src/readme.txt:64
Okay
src/readme.txt:238
oldest
src/i_sound.c:164
once
src/p_spec.h:243
one
src/r_segs.c:198
OOP
src/doomdef.h:110
openbottom
src/p_local.h:169
openrange
src/p_local.h:170
opentop
src/p_local.h:168
optimized
src/dconsole.c:71
optional
src/w_wad.c:137
or
src/p_maputl.c:107
orientation
src/r_draw.c:497
Otherwise
src/s_sound.c:767
overflowsprite
src/r_things.c:334