Functions starting with `z' in quakeworld

• Z_CheckHeap quakeworld/client/zone.c:247
• Z_ClearZone quakeworld/client/zone.c:74
• Z_Free quakeworld/client/zone.c:99
• Z_Malloc quakeworld/client/zone.c:142
• Z_Print quakeworld/client/zone.c:219
• Z_TagMalloc quakeworld/client/zone.c:155