84 def _fastcopy_fcopyfile(fsrc, fdst, flags):  argument
90         outfd = fdst.fileno()
98         err.filename2 = fdst.name
104 def _fastcopy_sendfile(fsrc, fdst):  argument
121         outfd = fdst.fileno()
146             err.filename2 = fdst.name
168 def _copyfileobj_readinto(fsrc, fdst, length=COPY_BUFSIZE):  argument
175     fdst_write = fdst.write
183                     fdst.write(smv)
187 def copyfileobj(fsrc, fdst, length=0):  argument
193     fdst_write = fdst.write
256                 with open(dst, 'wb') as fdst:
260                             _fastcopy_fcopyfile(fsrc, fdst, posix._COPYFILE_DATA)
267                             _fastcopy_sendfile(fsrc, fdst)
274                         _copyfileobj_readinto(fsrc, fdst, min(file_size, COPY_BUFSIZE))
277                     copyfileobj(fsrc, fdst)