void fprintf_line(FILE *, char *, int);
void printf_line(char *, int);
char *int2str(int, int);
+char *i_to_a(unsigned int);
void InitCounter(void);
unsigned long Counter(void);
char *getStringToLower(char *);
void setString(char **, char *);
-void GetOptions(char **);
+void GetOptions(char **, void (*print_usage_function)(void));
void SetError(char *, ...);
char *GetError(void);