Here are the data structures with brief descriptions:

C_kernel_field_input
Caddr_t
CAlgRemez
Cata_qprop_pars
CBCs_pars_t
Cbigfloat
Cblock_info
Cborder_id
Cbox_t
Cclover_force	Clover Force
Cclover_term	Clover term
Ccomms_args
Ccommunication_info
Ccoord4
Ccor_list
Ccor_points
Cdata_storage
Cdata_storage_array
Cdble_vec_t
Ceva_prec
Cfield_gauge_par
Cfield_scalar_par
Cforce_auxfield_par
Cforce_gauge_par
Cforce_hmc_par
Cforce_rhmc_par
Cforce_scalar_par
Cg5QMR_fltacc_par
Cgeometry_descriptor	This struct should contain all information necessary to perform operations on the local lattice including correct inter-core and inter-node communications. More information on GPU geometry with illustrations can be found in the developer guide in the section on GPU geometry
Cghmc_par
Cgtransf	Gauge transformation
Cinput_glb
Cinput_gpu
Cinput_logger
Cinput_record_t
Cinput_rlx
Cintegrator_par
Cldl_field	LDL decomposition field needed for clover improvement
Clrecord
Cmeson_observable_s
CMINRES_par
Cmo_0	Bundle of meson_observables with momentum 0
Cmo_p	Bundle of meson_observables with momentum p
Cmon_ff_par
Cmon_hasenbusch_par
Cmon_hasenbusch_tm_par
Cmon_hmc_par
Cmon_list
Cmon_lw_par
Cmon_pg_par
Cmon_rhmc_par
Cmon_scalar_par
Cmon_tm_par
Cmonomial
Cmonomial_data
Cmre_par
Cmshift_par
Cprop_common	Bundle of propagators with zero momentum
Cprop_p	Bundle of propagators with momentum p
Crational_app
Crecord
CSB_t
Cscalar_field	Scalar field of double precision real values
Csection
Csite_info
Cspinor_field	Spinor field array containing SU(N_f) spinors in chosen fermion representation
Cspinor_field_flt	Spinor field array containing single precision SU(N_f) spinors in chosen fermion representation
Csrc_common	Propagator sources with zero-momentum
Csrc_p	Propagator sources with momentum p
Cstaple_field	Staple field for Luescher-Weisz
CsuNf_field	Gauge field in chosen fermion representation
CsuNf_field_flt	Single precision gauge field in the chosen fermion representation
CsuNf_propagator
CsuNf_spin_matrix
CsuNfc_field	Complexified su(N_f) field field
CsuNg_av_field	Field of SU(N_g) algebra vectors
CsuNg_field	Gauge field of SU(N_g) matrices
CsuNg_field_flt	Gauge field of single precision SU(N_g) matrices
CsuNg_scalar_field	SU(N_g) scalar field of SU(N_g) vectors
CTimer
Cvec_t
Cwilson_lines
CWL_path_t