where
xscheme-select-process-buffer
xscheme-send-breakpoint-interrupt
xscheme-send-buffer
xscheme-send-control-g-interrupt
xscheme-send-control-u-interrupt
xscheme-send-control-x-interrupt
xscheme-send-definition
xscheme-send-previous-expression
xscheme-send-proceed
xscheme-send-region
xscheme-yank-previous-send