st_io_cache 成员列表

成员的完整列表，这些成员属于st_io_cache，包括所有继承而来的成员

alloced_buffer	st_io_cache
append_read_pos	st_io_cache
arg	st_io_cache
buffer	st_io_cache
buffer_length	st_io_cache
current_end	st_io_cache
current_pos	st_io_cache
dir	st_io_cache
disk_writes	st_io_cache
end_of_file	st_io_cache
error	st_io_cache
file	st_io_cache
file_name	st_io_cache
hard_write_error_in_the_past	st_io_cache
myflags	st_io_cache
pos_in_file	st_io_cache
post_read	st_io_cache
post_write	st_io_cache
pre_close	st_io_cache
pre_read	st_io_cache
prefix	st_io_cache
read_end	st_io_cache
read_function	st_io_cache
read_length	st_io_cache
read_pos	st_io_cache
request_pos	st_io_cache
seek_not_done	st_io_cache
type	st_io_cache
write_buffer	st_io_cache
write_end	st_io_cache
write_function	st_io_cache
write_pos	st_io_cache