'initializing': conversion from 'size_t' to 'int', possible loss of data

'return': conversion from 'size_t' to 'int', possible loss of data

'printf' : format string '%x' requires an argument of type 'unsigned int', but variadic argument 1 has type 'ULONG_PTR'

'argument': conversion from 'size_t' to 'ULONG', possible loss of data

'argument': conversion from 'size_t' to 'UINT8', possible loss of data

'getenv': This function or variable may be unsafe. Consider using _dupenv_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.

'printf' : format string '%x' requires an argument of type 'unsigned int', but variadic argument 1 has type 'ULONG_PTR'

'argument': conversion from 'size_t' to 'ULONG', possible loss of data

'argument': conversion from 'size_t' to 'UINT8', possible loss of data