hexen: Fix action function prototypes to match definitions
hexen: Add some forward declarations
Merge pull request #1536 from turol/extern-doom
doom: Replace numlinespecials and linespeciallist extern declarations with definitions
doom: Remove unnecessary anims and lastanim extern declarations
doom: Remove redundant extern declarations of automapactive
doom: Remove commented out code
doom: Fix player_names extern declaration to match definition
doom: Fix pagename extern declaration to match definition
doom: Fix sidemove extern declaration to match definition
doom: Fix forwardmove extern declaration to match definition
doom: Include doomstat.h in hu_lib.c
doom: Include v_patch.h in hu_stuff.h
doom: Include m_fixed.h in g_game.h
doom: Include m_menu.h in hu_stuff.c
Merge pull request #1534 from turol/extern-heretic
heretic: Move playerkeys extern declaration to doomdef.h
heretic: Move noartiskip extern declaration to doomdef.h
heretic: Move viewactive extern declaration to doomdef.h
Merge pull request #1533 from turol/extern-heretic
heretic: Move ylookup extern declaration to r_local.h
Merge pull request #1532 from turol/extern-heretic
heretic: Move detailLevel extern declaration to r_local.h
Merge pull request #1530 from turol/extern-heretic
heretic: Move columnofs extern declaration to r_local.h
heretic: Move walllights extern declaration to r_local.h
heretic: Move screenblocks extern declaration to r_local.h
Merge pull request #1528 from turol/extern-heretic
Merge pull request #1525 from turol/cppcheck-upgrade
heretic: Move CheckAbortStartup prototype to doomdef.h
heretic: Move inv_ptr extern declaration to doomdef.h
heretic: Move curpos extern declaration to doomdef.h
heretic: Move inventory extern declaration to doomdef.h
heretic: Move advancedemo extern declaration to doomdef.h
heretic: Move G_BuildTiccmd prototype to doomdef.h
heretic: Move D_ProcessEvents prototype to doomdef.h
heretic: Move D_DoAdvanceDemo prototype to doomdef.h
heretic: Move G_CheckDemoStatus prototype to doomdef.h
heretic: Move D_StartTitle prototype to doomdef.h
heretic: Move askforquit extern declaration to doomdef.h
Merge pull request #1527 from turol/extern-heretic
heretic: Move R_ExecuteSetViewSize prototype to r_local.h
Bump cppcheck action to run on Ubuntu 20.04
heretic: Fix signedness problem in P_DamageMobj
Add __GNUC__ to cppcheck preprocessor macros
fix a cppcheck warning for M_DirName() and M_BaseName() (#1524)
Merge pull request #1521 from turol/extern-heretic
Merge pull request #1523 from turol/cppcheck
setup: Fix signedness issue in SetIcon
video: Fix signedness issue in I_InitWindowIcon
heretic: Move spechit and numspechit extern declarations to p_local.h
Merge pull request #1520 from turol/extern-heretic
heretic: Move P_UndoPlayerChicken prototype to p_local.h
heretic: Move topslope and bottomslope extern declarations to p_local.h
heretic: Move messageson extern declaration to p_local.h
Merge pull request #1519 from turol/extern-heretic
heretic: Move snd_Channels extern declaration s_sound.h
heretic: Move AM_Stop prototype to am_map.h
heretic: Move LevelNames extern declaration to am_map.h
heretic: Move KeyPoints declaration to am_map.h
heretic: Move automapactive extern declaration to am_map.h
heretic: Include am_map.h in files which are going to need it
heretic: Include r_local.h in am_map.h
heretic: Move deh_section_heretic_text extern declaration to deh_htic.h
heretic: Remove commented out code
heretic: Remove unnecessary extern declaration for attackrange
heretic: Remove unnecessary extern declaration of finalestage
heretic: Rename NUMKEYS to NUM_KEY_TYPES
Merge pull request #1517 from turol/extern-hexen
hexen: Move H2_StartTitle prototype to h2def.h
hexen: Move detailLevel extern declaration to h2def.h
hexen: Move gamekeydown extern declaration to h2def.h
hexen: Move NUMKEYS macro definition to h2def.h
hexen: Move LeaveMap extern declaration to h2def.h
hexen: Move mn_SuicideConsole extern declaration to h2def.h
hexen: Move inventory extern declaration to h2def.h
hexen: Move artiskip extern declaration to h2def.h
hexen: Move askforquit extern declaration to h2def.h
hexen: Move MenuActive extern declaration to h2def.h
hexen: Move G_CheckDemoStatus prototype to h2def.h
hexen: Move G_BuildTiccmd prototype to h2def.h
hexen: Move H2_ProcessEvents prototype to h2def.h
hexen: Move H2_DoAdvanceDemo prototype to h2def.h
hexen: Move demorecording extern declaration to h2def.h
hexen: Move advancedemo extern declaration to h2def.h
hexen: Move usearti extern declaration to h2def.h
hexen: Move viewactive extern declaration to h2def.h
Merge pull request #1516 from turol/extern-windows
Remove redundant extern declarations from i_winmusic.h
Add missing includes in i_winmusic.c
setup: Remove static qualifier from some Windows-only variables
Merge pull request #1514 from turol/extern-hexen
hexen: Move S_music extern declaration to sounds.h
hexen: Move S_sfx extern declaration to sounds.h
hexen: Move columnofs extern declaration to r_local.h
hexen: Move ylookup extern declaration to r_local.h
hexen: Move walllights extern declaration to r_local.h
hexen: Move DoubleSky extern declaration to r_local.h