Defines starting with `c' in 321/qcommon

• CONTENTS_AUX 321/qcommon/qfiles.h:335
• CONTENTS_LAVA 321/qcommon/qfiles.h:336
• CONTENTS_MIST 321/qcommon/qfiles.h:339
• CONTENTS_SLIME 321/qcommon/qfiles.h:337
• CONTENTS_SOLID 321/qcommon/qfiles.h:333
• CONTENTS_WATER 321/qcommon/qfiles.h:338
• CONTENTS_WINDOW 321/qcommon/qfiles.h:334
• CPUSTRING 321/qcommon/qcommon.h:39
• CRC_INIT_VALUE 321/qcommon/crc.c:28
• CRC_XOR_VALUE 321/qcommon/crc.c:29