Python ctypes Module

This page shows the popular functions and classes defined in the ctypes module. The items are ordered by their popularity in 40,000 open source Python projects. If you can not find a good example below, you can try the search function to search modules.

• 1. c_int()    
  Used in 562 projects
• 2. byref()    
  Used in 537 projects
• 3. POINTER    
  Used in 502 projects
• 4. Structure()    
  Used in 490 projects
• 5. CDLL    
  Used in 435 projects
• 6. c_void_p()    
  Used in 430 projects
• 7. create_string_buffer()    
  Used in 365 projects
• 8. c_char_p()    
  Used in 363 projects
• 9. c_char()    
  Used in 293 projects
• 10. sizeof()    
  Used in 283 projects
• 11. cast()    
  Used in 261 projects
• 12. c_long()    
  Used in 240 projects
• 13. c_ulong()    
  Used in 222 projects
• 14. c_size_t()    
  Used in 206 projects
• 15. pointer()    
  Used in 205 projects
• 16. CFUNCTYPE    
  Used in 192 projects
• 17. c_uint()    
  Used in 189 projects
• 18. c_uint32()    
  Used in 188 projects
• 19. c_double()    
  Used in 184 projects
• 20. util()    
  Used in 182 projects
• 21. c_float()    
  Used in 180 projects
• 22. wintypes()    
  Used in 166 projects
• 23. WinError()    
  Used in 161 projects
• 24. WinDLL()    
  Used in 153 projects
• 25. create_unicode_buffer()    
  Used in 145 projects
• 26. string_at()    
  Used in 143 projects
• 27. c_ubyte()    
  Used in 137 projects
• 28. c_int32()    
  Used in 120 projects
• 29. c_wchar_p()    
  Used in 119 projects
• 30. c_bool()    
  Used in 117 projects
• 31. c_ushort()    
  Used in 116 projects
• 32. c_byte()    
  Used in 115 projects
• 33. c_int64()    
  Used in 111 projects
• 34. py_object()    
  Used in 109 projects
• 35. c_uint64()    
  Used in 102 projects
• 36. c_short()    
  Used in 101 projects
• 37. c_uint8()    
  Used in 101 projects
• 38. c_ulonglong()    
  Used in 98 projects
• 39. c_longlong()    
  Used in 95 projects
• 40. c_uint16()    
  Used in 92 projects
• 41. addressof()    
  Used in 91 projects
• 42. memmove()    
  Used in 87 projects
• 43. Union()    
  Used in 84 projects
• 44. WINFUNCTYPE    
  Used in 84 projects
• 45. LibraryLoader()    
  Used in 79 projects
• 46. get_errno()    
  Used in 74 projects
• 47. RTLD_GLOBAL    
  Used in 58 projects
• 48. c_wchar()    
  Used in 55 projects
• 49. cdll()    
  Used in 44 projects
• 50. windll()    
  Used in 44 projects
• 51. c_int16()    
  Used in 43 projects
• 52. c_int8()    
  Used in 43 projects
• 53. pythonapi()    
  Used in 40 projects
• 54. c_ssize_t()    
  Used in 38 projects
• 55. GetLastError()    
  Used in 37 projects
• 56. Array()    
  Used in 31 projects
• 57. FormatError()    
  Used in 30 projects
• 58. memset()    
  Used in 29 projects
• 59. ArgumentError()    
  Used in 25 projects
• 60. LittleEndianStructure()    
  Used in 24 projects
• 61. _SimpleCData()    
  Used in 22 projects
• 62. __version__()    
  Used in 20 projects
• 63. BigEndianStructure()    
  Used in 20 projects
• 64. RTLD_LOCAL    
  Used in 20 projects
• 65. alignment()    
  Used in 17 projects
• 66. c_voidp()    
  Used in 16 projects
• 67. _Pointer()    
  Used in 15 projects
• 68. c_buffer()    
  Used in 14 projects
• 69. wstring_at()    
  Used in 13 projects
• 70. set_errno()    
  Used in 12 projects
• 71. HRESULT    
  Used in 11 projects
• 72. _pointer_type_cache()    
  Used in 10 projects
• 73. test()    
  Used in 10 projects
• 74. _CFuncPtr()    
  Used in 9 projects
• 75. get_last_error()    
  Used in 9 projects
• 76. c_uchar()    
  Used in 8 projects
• 77. PyDLL()    
  Used in 7 projects
• 78. _reset_cache()    
  Used in 7 projects
• 79. char_p()    
  Used in 6 projects
• 80. c_longdouble()    
  Used in 6 projects
• 81. set_conversion_mode()    
  Used in 5 projects
• 82. _win_functype_cache()    
  Used in 5 projects
• 83. OleDLL()    
  Used in 5 projects