def srs_output(func, argtypes):
    func.argtypes = argtypes
    func.restype = c_void_p
    func.errcheck = check_srs
    return func
Generates a ctypes prototype for the given function with
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/gis/gdal/prototypes/generation.py/srs_output