text: #ifndef MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_CC_H
  #define MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_CC_H
  
  #include <stdint.h>
  
  // Generate lwip's internal types from stdint
  
  typedef uint8_t u8_t;
  typedef int8_t s8_t;
  typedef uint16_t u16_t;
  typedef int16_t s16_t;
  typedef uint32_t u32_t;
  typedef int32_t s32_t;
  
  typedef u32_t mem_ptr_t;
  
  #define U16_F "hu"
  #define S16_F "hd"
  #define X16_F "hx"
  #define U32_F "u"
  #define S32_F "d"
  #define X32_F "x"
  
  #define X8_F  "02x"
  #define SZT_F "u"
  
  #define BYTE_ORDER LITTLE_ENDIAN
  
  #define LWIP_CHKSUM_ALGORITHM 2
  
  #include <assert.h>
  #define LWIP_PLATFORM_DIAG(x)
  #define LWIP_PLATFORM_ASSERT(x)  { assert(1); }
  
  //#define PACK_STRUCT_FIELD(x) x __attribute__((packed))
  #define PACK_STRUCT_FIELD(x) x
  #define PACK_STRUCT_STRUCT __attribute__((packed))
  #define PACK_STRUCT_BEGIN
  #define PACK_STRUCT_END
  
  #endif // MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_CC_H
  