Here are the data structures with brief descriptions:

[detail level 123]

Nproofs
CAlgebraUtil
CAttrShift
CBase64Decoder
CBinaryFieldTypeTag
Cbit_plucker_point
CBitAdderAux
CBitAdderAux< Logic, N, false >
CBitAdderAux< Logic, N, true >
CBitPlucker
CBitPluckerEncoder
CBlas
CBogorng
CCbor
Cdecode
Cglobal_witness
Cparse_output
Cposition_witness
Ccbor_plucker_point
CCborConstants
CCborDoc
CU
CCborIndex
CCborPlucker
CCborTesting
CCborWitness
Cglobal_witness
Cposition_witness
CChallenge
CCircuit
CCircuitRep
CCompilerBackend
CDense
CDenseFiller
CDigest
CEllipticCurve
CECPoint
CEltMuxer
CEq
CEqs
CEvaluationBackend
CV
CFFT
CFFTConvolution
CFFTConvolutionFactory
CFFTExtConvolution
CFFTExtConvolutionFactory
CFFTInterpolation
CFlatSHA256Circuit
CBlockWitness
CFlatSHA256Witness
CBlockWitness
CFp128Reduce
CFp2
CElt
CFp256Reduce
CFpGeneric
CElt
CFpReduce
CFSPRF
CFullAttribute
CGF2_128
CElt
CGF2Poly
CInterpolation
CJWT
COpenedAttribute
CWitness
CJWTWitness
CLayer
CLayerChallenge
CLayerProof
CLCH14
CLCH14ReedSolomon
CLCH14ReedSolomonFactory
CLigeroCommitment
CLigeroCommon
CLigeroHash
CLigeroLinearConstraint
CLigeroParam
CLigeroProof
CLigeroProver
CLigeroQuadraticConstraint
CLigeroTranscript
CLigeroVerifier
CLimb
CLogic
Cbitvec
CBitW
CMAC
CWitness
CMACGF2
CWitness
CMacGF2Witness
CMACReference
CMacWitness
Cmdoc_1f
CAttrShift
CCborIndex
COpenedAttribute
CPathEntry
CWitness
Cmdoc_1f_witness
CMdocAttribute
CMdocHash
CAttrShift
CCborIndex
COpenedAttribute
CWitness
CMdocHashWitness
CMdocRevocationList
CMdocRevocationSpan
CWitness
CMdocRevocationSpanWitness
CMdocSignature
CWitness
CMdocSignatureWitness
CMdocTests
CMemcmp
CMerkleCommitment
CMerkleCommitmentVerifier
CMerkleNonce
CMerkleProof
CMerkleTree
CMerkleTreeVerifier
CNat
CNodeF
CNodeInfoF
COpenedAttribute
CParsedMdoc
CPdqHash
Ckv
CPermutations
CPoly
Cdot_interpolation
CPolynomial
CPRF
CPrimeFieldTypeTag
CProof
CProofAux
CProver
CProverLayers
Cbindings
CProverState
CPtrCred
COpenedAttribute
CWitness
CQuad
Ccorner
CQuadCircuit
CRandomEngine
CReadBuffer
CReedSolomon
CReedSolomonFactory
CRFFT
CRouting
CScan
CScheduler
CSecureRandomEngine
CSHA256
Csha256_bench
Csha256_testvec
CSHA256BlockTests
CSha3Circuit
CSha3Reference
CSmall
COpenedAttribute
CWitness
CSmallOpenedAttribute
CSmallTest
CSmallWitness
CSparse
Ccorner
Cterm
Cassert0_type_hack
CTranscript
CTranscriptSumcheck
CTwiddle
CVerifier
CVerifierLayers
Cclaims
CVerifyCircuit
CWitness
CVerifyWitness3
CZkCommon
CZkProof
CZkProver
CZkVerifier
CRequestedAttribute
CStaticString
CZkSpecStruct