Gets the #GInputStream from which to read the stderr output of @subprocess.
The process must have been created with %G_SUBPROCESS_FLAGS_STDERR_PIPE, otherwise %NULL will be returned.
the stderr pipe
2.40
See Implementation
Gets the #GInputStream from which to read the stderr output of @subprocess.
The process must have been created with %G_SUBPROCESS_FLAGS_STDERR_PIPE, otherwise %NULL will be returned.