ignoring return value of ‘char* realpath(const char*, char*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]

ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]

ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]

ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]

ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]

variable ‘multiFile’ set but not used [-Wunused-but-set-variable]