Macros starting with `c' in truecrypt

• ch crypto/sha1.c:103
• CK_CALLBACK_FUNCTION common/securitytoken.h:23
• CTX_224 crypto/sha2.c:677
• CTX_256 crypto/sha2.c:678
• CTX_384 crypto/sha2.c:679
• CTX_512 crypto/sha2.c:680