src/api/arpa_inet.c

   1 #include <arpa/inet.h>
   2 #define T(t) (t*)0;
   3 #define C(n) switch(n){case n:;}
   4 #define I(t,e) {t x[sizeof(t)==sizeof(e)] = {e};}
   5 static void f()
   6 {
   7 T(in_port_t)
   8 T(in_addr_t)
   9 T(struct in_addr)
  10 T(uint32_t)
  11 T(uint16_t)
  12
  13 C(INET_ADDRSTRLEN)
  14 C(INET6_ADDRSTRLEN)
  15
  16 #ifdef htonl
  17 I(uint32_t, htonl(0LL))
  18 #else
  19 {uint32_t(*p)(uint32_t) = htonl;}
  20 #endif
  21 #ifdef htons
  22 I(uint32_t, htons(0LL))
  23 #else
  24 {uint16_t(*p)(uint16_t) = htons;}
  25 #endif
  26 #ifdef ntohl
  27 I(uint32_t, ntohl(0LL))
  28 #else
  29 {uint32_t(*p)(uint32_t) = ntohl;}
  30 #endif
  31 #ifdef ntohs
  32 I(uint16_t, ntohs(0LL))
  33 #else
  34 {uint16_t(*p)(uint16_t) = ntohs;}
  35 #endif
  36
  37 {in_addr_t(*p)(const char*) = inet_addr;}
  38 {char*(*p)(struct in_addr) = inet_ntoa;}
  39 {const char*(*p)(int,const void*restrict,char*restrict,socklen_t) = inet_ntop;}
  40 {int(*p)(int,const char*restrict,void*restrict) = inet_pton;}
  41 }