117 def read_u16(buffer, offset):  argument
118     buffer_val = buffer[offset:offset + 2]
134 def read_u32(buffer, offset):  argument
136         return read_u16(buffer, offset) + (read_u16(buffer, offset + 2) << 16)
138         return read_u16(buffer, offset + 2) + (read_u16(buffer, offset) << 16)
141 def read_u64(buffer, offset):  argument
143         return read_u32(buffer, offset) + (read_u32(buffer, offset + 4) << 32)
145         return read_u32(buffer, offset + 4) + (read_u32(buffer, offset) << 32)
148 def read_ulong(buffer, offset):  argument
150         return read_u64(buffer, offset)
152         return read_u32(buffer, offset)
157 def read_atomic_long(buffer, offset):  argument
162         return read_u64(buffer, offset + atomic_long_counter_offset)
164         return read_u32(buffer, offset + atomic_long_counter_offset)