gdb-output-sink
gdb-output-sink is a variable defined in `gdb-mi.el
'.
Its value is nilDocumentation: The disposition of the output of the current gdb command. Possible values are these symbols: `user' -- gdb output should be copied to the GUD buffer for the user to see. `emacs' -- output should be collected in the partial-output-buffer for subsequent processing by a command. This is the disposition of output generated by commands that gdb mode sends to gdb on its own behalf.