Here are the data structures with brief descriptions:

Cloomc_allocator_alloc_params_t	Allocation parameters passed to loomc_allocator_ctl_fn_t callbacks
Cloomc_allocator_t	Host allocator used for persistent Loom object storage
Cloomc_amdgpu_amdhsa_feature_states_t	Structured AMDHSA target-ID feature states
Cloomc_amdgpu_emit_options_t	AMDGPU HSACO emission options
Cloomc_amdgpu_iree_hal_profile_options_t	AMDGPU profile options for an IREE HAL device
Cloomc_amdgpu_profile_options_t	AMDGPU target profile creation options
Cloomc_amdgpu_target_identity_t	Complete structured AMDGPU identity used to construct a target profile
Cloomc_artifact_manifest_options_t	Artifact manifest emission options
Cloomc_artifact_t	Borrowed artifact view owned by a result object
Cloomc_byte_span_t	Non-owning view over immutable bytes
Cloomc_compile_options_t	Compile invocation options
Cloomc_compile_report_options_t	Compile report emission options
Cloomc_compiler_options_t	Compiler creation options
Cloomc_config_binding_t	Single configuration key/value binding
Cloomc_config_options_t	Configuration options attached to a link or compile invocation
Cloomc_context_options_t	Context creation options
Cloomc_context_target_options_t	Context option extension that registers a target environment
Cloomc_diagnostic_t	Borrowed diagnostic view owned by a result object
Cloomc_dimension3_t	Three-dimensional unsigned extent used by Loom C API structs
Cloomc_emit_options_t	Target emission options
Cloomc_iree_hal_profile_options_t	IREE HAL target-profile routing options
Cloomc_iree_hal_profile_provider_t	One linked IREE HAL profile provider
Cloomc_launch_config_function_t	Program-local launch-config function token
Cloomc_launch_config_t	Complete concrete configuration for one compiled kernel launch
Cloomc_link_index_builder_options_t	Link-index builder creation options
Cloomc_link_index_module_t	Indexed module metadata
Cloomc_link_index_provider_t	Indexed provider metadata
Cloomc_link_index_source_options_t	Source provider options used when adding sources to a link index
Cloomc_link_index_source_slot_t	Deterministic source slot reserved by a link-index builder
Cloomc_link_index_symbol_t	Indexed symbol metadata
Cloomc_link_options_t	Link invocation options
Cloomc_linker_options_t	Linker creation options
Cloomc_module_deserialize_options_t	Module deserialization options
Cloomc_module_function_export_info_t	Export metadata view written into caller-provided storage
Cloomc_module_function_query_options_t	Module function query options
Cloomc_module_function_t	Function metadata view written into caller-provided storage
Cloomc_module_global_query_options_t	Module global query options
Cloomc_module_global_t	Global metadata view written into caller-provided storage
Cloomc_module_serialize_options_t	Module serialization options
Cloomc_option_dict_t	Ordered loose string option dictionary
Cloomc_option_entry_t	One loose string option entry
Cloomc_pass_program_options_t	Pass program creation options
Cloomc_sanitizer_options_t	Invocation option extension that enables sanitizer assertions
Cloomc_source_load_options_t	Source load options for host file and path constructors
Cloomc_source_options_t	Source creation options
Cloomc_source_range_t	Source range attached to a diagnostic
Cloomc_spirv_cooperative_matrix_row_t	Cooperative matrix operation fact row
Cloomc_spirv_cooperative_vector_row_t	Cooperative vector operation fact row
Cloomc_spirv_emit_options_t	SPIR-V binary emission options
Cloomc_spirv_environment_fact_t	One SPIR-V environment observation
Cloomc_spirv_environment_value_t	Queried SPIR-V environment fact state
Cloomc_spirv_feature_fact_t	One SPIR-V feature observation
Cloomc_spirv_iree_hal_profile_options_t	SPIR-V profile options for an IREE HAL Vulkan device
Cloomc_spirv_limit_fact_t	One SPIR-V numeric limit observation
Cloomc_spirv_limit_value_t	Queried SPIR-V numeric limit state
Cloomc_spirv_profile_info_t	Prepared SPIR-V profile summary
Cloomc_spirv_profile_options_t	SPIR-V target profile creation options
Cloomc_spirv_vulkan_function_table_t	Vulkan query functions used by the raw Vulkan SPIR-V profile adapter
Cloomc_spirv_vulkan_profile_options_t	Raw Vulkan profile creation options
Cloomc_spirv_vulkaninfo_profile_options_t	Saved vulkaninfo profile import options
Cloomc_status_source_location_t	Source location captured when rich status mode supports it
Cloomc_string_view_t	Non-owning string view over bytes that need not be NUL-terminated
Cloomc_target_pipeline_options_t	Target pipeline creation options
Cloomc_target_specialization_options_t	Option extension carrying per-function target specializations
Cloomc_target_specialization_t	One function version to specialize to one structured target profile
Cloomc_workspace_options_t	Workspace creation options
Cloomc_workspace_statistics_t	Monotonic allocation statistics for a workspace block pool