// Copyright (c) 2003 Juraj Kolesár (koli) <koli@koli.sk>               
int str_remove_char(int pos, char * str);
	/*removes char on position "pos" from string "str"
		-on succes returns 0
		-on error 1 (if pos > strlen(str));
	*/
int str_inc(char *str);
	/*
	increases the 'code' value of str
	*/