Defines starting with `c' in truecrypt

• CACHE_SIZE common/cache.h:16
• CAST_TEST_COUNT common/tests.c:364
• CBLK_LEN common/gfmul.h:40
• CBLK_LEN8 common/gfmul.h:41
• CK_PTR common/securitytoken.h:22
• COMMON_H common/common.h:10
• CRYPTO_H common/crypto.h:28