old_contents: # -*- coding: utf-8 -*-
  
  import ctypes
  import ctypes.util
  import os
  import sys
  
  
  def find_libc():
      if sys.platform == 'win32':
          return ctypes.util.find_msvcrt()
      else:
          return ctypes.util.find_library('c')
  
  
  def load_library(name):
      lname = platform_libname(name)
      sdirs = platform_libdirs()
  
      # First attempt to utilise the system search path
      try:
          return ctypes.CDLL(lname)
      # Otherwise, if this fails then run our own search
      except OSError:
          for sd in sdirs:
              try:
                  return ctypes.CDLL(os.path.abspath(os.path.join(sd, lname)))
              except OSError:
                  pass
          else:
              raise OSError('Unable to load {0}'.format(name))
  
  
  def platform_libname(name):
      if sys.platform == 'darwin':
          return 'lib{0}.dylib'.format(name)
      elif sys.platform == 'Windows':
          return '{0}.dll'.format(name)
      else:
          return 'lib{0}.so'.format(name)
  
  
  def platform_libdirs():
      path = os.environ.get('PYFR_LIBRARY_PATH', '')
      dirs = [d for d in path.split(':') if d]
  
      # On Mac OS X append the default path used by MacPorts
      if sys.platform == 'darwin':
          return dirs + ['/opt/local/lib']
      # Otherwise just return
      else:
          return dirs
  
new_contents: # -*- coding: utf-8 -*-
  
  import ctypes
  import ctypes.util
  import os
  import sys
  
  
  def find_libc():
      if sys.platform == 'win32':
          return ctypes.util.find_msvcrt()
      else:
          return ctypes.util.find_library('c')
  
  
  def load_library(name):
      lname = platform_libname(name)
      sdirs = platform_libdirs()
  
      # First attempt to utilise the system search path
      try:
          return ctypes.CDLL(lname)
      # Otherwise, if this fails then run our own search
      except OSError:
          for sd in sdirs:
              try:
                  return ctypes.CDLL(os.path.abspath(os.path.join(sd, lname)))
              except OSError:
                  pass
          else:
              raise OSError('Unable to load {0}'.format(name))
  
  
  def platform_libname(name):
      if sys.platform == 'darwin':
          return 'lib{0}.dylib'.format(name)
      elif sys.platform == 'win32':
          return '{0}.dll'.format(name)
      else:
          return 'lib{0}.so'.format(name)
  
  
  def platform_libdirs():
      path = os.environ.get('PYFR_LIBRARY_PATH', '')
      dirs = [d for d in path.split(':') if d]
  
      # On Mac OS X append the default path used by MacPorts
      if sys.platform == 'darwin':
          return dirs + ['/opt/local/lib']
      # Otherwise just return
      else:
          return dirs
  
subject: Fix how we check for Windows in platform_libname.