Here is a list of all macros with links to the files they belong to:

- _ -

__cold : CompilerSupport.h
__has_attribute : CompilerSupport.h
__has_builtin : CompilerSupport.h
__has_extension : CompilerSupport.h
__has_feature : CompilerSupport.h
__hot : CompilerSupport.h
__optimize : CompilerSupport.h
__printflike : c4Compat.h, CompilerSupport.h
_FLBASE_H : FLBase.h
_FLCOLLECTIONS_H : FLCollections.h
_FLDEEPITERATOR_H : FLDeepIterator.h
_FLDOC_H : FLDoc.h
_FLEECE_COMPILER_SUPPORT_H : CompilerSupport.h
_FLEECE_H : Fleece.h
_FLENCODER_H : FLEncoder.h
_FLJSON_H : FLJSON.h
_FLKEYPATH_H : FLKeyPath.h
_FLMUTABLE_H : FLMutable.h
_FLOBSCURE_H : FLExpert.h
_FLSLICE_H : FLSlice.h
_FLVALUE_H : FLValue.h
_usuallyFalse : CompilerSupport.h
_usuallyTrue : CompilerSupport.h

- c -

C4_ASSUME_NONNULL_BEGIN : c4Compat.h
C4_ASSUME_NONNULL_END : c4Compat.h
C4_DEPRECATED : c4Compat.h
C4_ENUM : c4Compat.h
C4_ENUM_ATTRIBUTES : c4Compat.h
C4_OPTIONS : c4Compat.h
C4_OPTIONS_ATTRIBUTES : c4Compat.h
C4_RETURNS_NONNULL : c4Compat.h
C4API : c4Compat.h
C4API_BEGIN_DECLS : c4Compat.h
C4API_END_DECLS : c4Compat.h
C4Debug : c4Log.h
C4INLINE : c4Compat.h
C4Log : c4Log.h
C4LogToAt : c4Log.h
C4LogVerbose : c4Log.h
C4NONNULL : c4Compat.h
C4NULLABLE : c4Compat.h
C4STR : c4Base.h
C4UNUSED : c4Compat.h
C4Warn : c4Log.h
C4WarnError : c4Log.h
CBL_CORE_API : c4Compat.h
COLDLEVEL : CompilerSupport.h

- f -

FL_ASSUME_NONNULL_BEGIN : CompilerSupport.h
FL_ASSUME_NONNULL_END : CompilerSupport.h
FL_NONNULL : CompilerSupport.h
FL_NULLABLE : CompilerSupport.h
FL_RETURNS_NONNULL : CompilerSupport.h
FLAPI : CompilerSupport.h
FLCONST : CompilerSupport.h
FLEECE_PUBLIC : CompilerSupport.h
FLPURE : CompilerSupport.h
FLSTR : FLSlice.h
FLTimestampNone : FLBase.h

- h -

HOTLEVEL : CompilerSupport.h

- k -

kC4AuthTypeBasic : c4ReplicatorTypes.h
kC4AuthTypeClientCert : c4ReplicatorTypes.h
kC4AuthTypeFacebook : c4ReplicatorTypes.h
kC4AuthTypeOpenIDConnect : c4ReplicatorTypes.h
kC4AuthTypeSession : c4ReplicatorTypes.h
kC4BlobDataProperty : c4Document+Fleece.h
kC4BlobDigestProperty : c4Document+Fleece.h
kC4DefaultCollectionName : c4DatabaseTypes.h
kC4DefaultCollectionSpec : c4DatabaseTypes.h
kC4DefaultScopeID : c4DatabaseTypes.h
kC4EncryptableValueProperty : c4Document+Fleece.h
kC4EnvironmentSupportedLocales : c4Base.h
kC4EnvironmentTimezoneKey : c4Base.h
kC4GeneratedIDLength : c4Document.h
kC4InfoStore : c4Database.h
kC4LegacyAttachmentsProperty : c4Document+Fleece.h
kC4LocalDocStore : c4Database.h
kC4NoError : c4Error.h
kC4ObjectType_Blob : c4Document+Fleece.h
kC4ObjectType_Encryptable : c4Document+Fleece.h
kC4ObjectTypeProperty : c4Document+Fleece.h
kC4ProxyTypeHTTP : c4ReplicatorTypes.h
kC4ProxyTypeHTTPS : c4ReplicatorTypes.h
kC4ProxyTypeNone : c4ReplicatorTypes.h
kC4ProxyTypeSOCKS : c4ReplicatorTypes.h
kC4Replicator2Scheme : c4ReplicatorTypes.h
kC4Replicator2TLSScheme : c4ReplicatorTypes.h
kC4ReplicatorAuthClientCert : c4ReplicatorTypes.h
kC4ReplicatorAuthClientCertKey : c4ReplicatorTypes.h
kC4ReplicatorAuthEnableChallengeAuth : c4ReplicatorTypes.h
kC4ReplicatorAuthPassword : c4ReplicatorTypes.h
kC4ReplicatorAuthToken : c4ReplicatorTypes.h
kC4ReplicatorAuthType : c4ReplicatorTypes.h
kC4ReplicatorAuthUserName : c4ReplicatorTypes.h
kC4ReplicatorCheckpointInterval : c4ReplicatorTypes.h
kC4ReplicatorCompressionLevel : c4ReplicatorTypes.h
kC4ReplicatorHeartbeatInterval : c4ReplicatorTypes.h
kC4ReplicatorOptionAcceptParentDomainCookies : c4ReplicatorTypes.h
kC4ReplicatorOptionAuthentication : c4ReplicatorTypes.h
kC4ReplicatorOptionAutoPurge : c4ReplicatorTypes.h
kC4ReplicatorOptionChannels : c4ReplicatorTypes.h
kC4ReplicatorOptionCookies : c4ReplicatorTypes.h
kC4ReplicatorOptionDisableDeltas : c4ReplicatorTypes.h
kC4ReplicatorOptionDisablePropertyDecryption : c4ReplicatorTypes.h
kC4ReplicatorOptionDocIDs : c4ReplicatorTypes.h
kC4ReplicatorOptionExtraHeaders : c4ReplicatorTypes.h
kC4ReplicatorOptionFilter : c4ReplicatorTypes.h
kC4ReplicatorOptionFilterParams : c4ReplicatorTypes.h
kC4ReplicatorOptionMaxRetries : c4ReplicatorTypes.h
kC4ReplicatorOptionMaxRetryInterval : c4ReplicatorTypes.h
kC4ReplicatorOptionNoIncomingConflicts : c4ReplicatorTypes.h
kC4ReplicatorOptionOnlySelfSignedServerCert : c4ReplicatorTypes.h
kC4ReplicatorOptionPinnedServerCert : c4ReplicatorTypes.h
kC4ReplicatorOptionProxyServer : c4ReplicatorTypes.h
kC4ReplicatorOptionRemoteDBUniqueID : c4ReplicatorTypes.h
kC4ReplicatorOptionRootCerts : c4ReplicatorTypes.h
kC4ReplicatorOptionSkipDeleted : c4ReplicatorTypes.h
kC4ReplicatorProxyAuth : c4ReplicatorTypes.h
kC4ReplicatorProxyHost : c4ReplicatorTypes.h
kC4ReplicatorProxyPort : c4ReplicatorTypes.h
kC4ReplicatorProxyType : c4ReplicatorTypes.h
kC4SliceNull : c4Base.h
kC4SocketOptionNetworkInterface : c4ReplicatorTypes.h
kC4SocketOptionWSProtocols : c4ReplicatorTypes.h
kFLNoWrittenValue : FLExpert.h
kFLSliceNull : FLSlice.h
kFLTrustedDontParse : FLExpert.h

- l -

LITECORE_API_VERSION : c4Base.h
LITECORE_CPP_API : c4DocumentStruct.h
LITECORE_VERSION : c4Base.h

- m -

MUST_USE_RESULT : CompilerSupport.h

- n -

NODISCARD : CompilerSupport.h
NONNULL : CompilerSupport.h

- r -

RETURNS_NONNULL : CompilerSupport.h

- s -

STEPOVER : CompilerSupport.h

- w -

WINAPI_FAMILY_PARTITION : CompilerSupport.h