- print-call-chain #!optional PORT START THREAD HEADERprocedure
Prints a backtrace of the procedure call history to PORT, which defaults to (current-output-port). The output is prefixed by the HEADER, which defaults to "\n\tCall history:\n".
Prints a backtrace of the procedure call history to PORT, which defaults to (current-output-port). The output is prefixed by the HEADER, which defaults to "\n\tCall history:\n".