Gets the #GOutputStream that you can write to in order to give data to the stdin of @subprocess.
The process must have been created with %G_SUBPROCESS_FLAGS_STDIN_PIPE.
Return: the stdout pipe
2.40
See Implementation
Gets the #GOutputStream that you can write to in order to give data to the stdin of @subprocess.
The process must have been created with %G_SUBPROCESS_FLAGS_STDIN_PIPE.
Return: the stdout pipe