Here are the data structures with brief descriptions:

__attribute__
context_t
cpio_bin_header
cpio_file
Elf32_Ehdr
Elf32_Phdr
interrupt_frame
pok_aout_symbol_table_t
pok_elf_section_header_table_t
pok_lockobj_attr_t
pok_lockobj_lockattr_t
pok_lockobj_t
pok_memory_map_t
pok_module_t
pok_multiboot_header_t
pok_multiboot_info_t
pok_port_t
pok_space
pok_syscall_args_t
pok_syscall_info_t
ppc_pte_t
space_context_t
start_context_t
volatile_context_t