tfc_say(" prompt=str: set main password prompts to this string.");
tfc_say(" macprompt=str: set MAC password prompts to this string.");
tfc_say(" shorthex: with -H, do not print printable characters, dump only hex string.");
tfc_say(" prompt=str: set main password prompts to this string.");
tfc_say(" macprompt=str: set MAC password prompts to this string.");
tfc_say(" shorthex: with -H, do not print printable characters, dump only hex string.");