Function librados_sys::rados_read_op_read

pub unsafe extern "C" fn rados_read_op_read(
    read_op: rados_read_op_t, 
    offset: uint64_t, 
    len: size_t, 
    buf: *mut c_char, 
    bytes_read: *mut size_t, 
    prval: *mut c_int
)