char *getStringCat2WithSeparator(const char *, const char *, const char *);
char *getStringCat3WithSeparator(const char *, const char *, const char *, const char *);
char *getStringCat2(const char *, const char *);
char *getStringCat2WithSeparator(const char *, const char *, const char *);
char *getStringCat3WithSeparator(const char *, const char *, const char *, const char *);
char *getStringCat2(const char *, const char *);