Here are the data structures with brief descriptions:

CCopp2Problem	Borrowed value descriptor for a COPP2 problem solved from C
CCopp2SocpResult	Compact COPP2-SOCP expert result returned to C
CCopp3Problem	Borrowed value descriptor for a COPP3 problem solved from C
CCopp3SocpResult	Compact COPP3-SOCP expert result returned to C
CCoppClarabelLinearSolverInfo	Linear solver metadata reported by Clarabel
CCoppClarabelOptions	Shared Clarabel options for COPP SOCP solvers
CCoppClarabelSettings	Advanced raw Clarabel solver settings
CCoppMatrixF64	Library-owned column-major f64 matrix returned to C
CCoppMatrixViewF64	Borrowed immutable f64 matrix passed from C to COPP
CCoppObjective	Borrowed objective descriptor for COPP solvers
CCoppPathOptions	Options for waypoint spline path construction
CCoppProfile3rd	Owned third-order profile returned by TOPP3/COPP3 C ABI solvers
CCoppReachSet2Result	Reachable intervals returned by TOPP2 reachable-set construction
CCoppSliceF64	Borrowed immutable f64 slice passed from C to COPP
CCoppSliceMutF64	Borrowed mutable f64 slice passed from C to COPP
CCoppVecF64	Library-owned f64 vector returned to C
CCoppVecUsize	Library-owned usize vector returned to C
CTopp2Problem	Borrowed value descriptor for a TOPP2 problem solved from C
CTopp2RaOptions	Options for TOPP2-RA reachability analysis
CTopp3Problem	Borrowed value descriptor for a TOPP3 problem solved from C