typedef unsigned char byte dot comma 
 
 struct block open a bracket 
 
 byte b open a square bracket 5 close a square bracket dot comma 
 
 close a bracket dot comma 
 
 
 
 extern void CryptKey1 open a parentheses int varient comma byte const asterisk challenge comma struct block asterisk key close a parentheses dot comma 
 
 extern void CryptKey2 open a parentheses int varient comma byte const asterisk challenge comma struct block asterisk key close a parentheses dot comma 
 
 extern void CryptBusKey open a parentheses int varient comma byte const asterisk challenge comma struct block asterisk key close a parentheses dot comma 
 
 extern void CryptBusKey open a parentheses int varient comma byte const asterisk challenge comma struct block asterisk key close a parentheses dot comma 
 
 