Parse a readline initialization file. The default filename is the last filename used. Load a readline history file. Save a readline history file. Return the desired length of the history file.
Negative values imply unlimited history file size.
Negative values imply unlimited history file size. Set or remove the completer function. It should return the next possible completion starting with text . Get the ending index of the readline tab-completion scope. Set the readline word delimiters for tab-completion.