C:\Windows\system32>C:\Python27\python.exe  -m pip install https://pypi.python.org/packages/source/l/ltc_scrypt/ltc_scrypt-1.0.tar.gz
Collecting https://pypi.python.org/packages/source/l/ltc_scrypt/ltc_scrypt-1.0.tar.gz
  Using cached https://pypi.python.org/packages/source/l/ltc_scrypt/ltc_scrypt-1.0.tar.gz
Installing collected packages: ltc-scrypt
  Running setup.py install for ltc-scrypt ... error
    Complete output from command C:\Python27\python.exe -u -c "import setuptools, tokenize;__file__='c:\\users\\wit\\appdata\\local\\temp\\pip-req-build-629yxu\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record c:\users\wit\appdata\local\temp\pip-record-jtaumh\install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_ext
    building 'ltc_scrypt' extension
    creating build
    creating build\temp.win32-2.7
    creating build\temp.win32-2.7\Release
    C:\Users\wit\AppData\Local\Programs\Common\Microsoft\Visual C++ for Python\9.0\VC\Bin\cl.exe /c /nologo /Ox /MD /W3 /GS- /DNDEBUG -I./ltc_scrypt -IC:\Python27\include -IC:\Python27\PC /Tc./scryptmodule.c /Fobuild\temp.win32-2.7\Release\./scryptmodule.obj
    scryptmodule.c
    ./scryptmodule.c(15) : warning C4013: 'scrypt_1024_1_1_256' undefined; assuming extern returning int
    C:\Users\wit\AppData\Local\Programs\Common\Microsoft\Visual C++ for Python\9.0\VC\Bin\cl.exe /c /nologo /Ox /MD /W3 /GS- /DNDEBUG -I./ltc_scrypt -IC:\Python27\include -IC:\Python27\PC /Tc./scrypt.c /Fobuild\temp.win32-2.7\Release\./scrypt.obj
    scrypt.c
    ./scrypt.c(32) : fatal error C1083: Cannot open include file: 'stdint.h': No such file or directory
    error: command 'C:\\Users\\wit\\AppData\\Local\\Programs\\Common\\Microsoft\\Visual C++ for Python\\9.0\\VC\\Bin\\cl.exe' failed with exit status 2

    ----------------------------------------
Command "C:\Python27\python.exe -u -c "import setuptools, tokenize;__file__='c:\\users\\wit\\appdata\\local\\temp\\pip-req-build-629yxu\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record c:\users\wit\appdata\local\temp\pip-record-jtaumh\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in c:\users\wit\appdata\local\temp\pip-req-build-629yxu\