IP的转换函数

带点字符串与长整型的转换

 

inet_ntoa Function

The inet_ntoa function converts an (Ipv4) Internet network address into a string in Internet standard dotted-decimal format.

char* FAR inet_ntoa(
  __in          struct   in_addr in
);

/*******************************************************************************/

inet_addr Function

The inet_addr function converts a string containing an (Ipv4) Internet Protocol dotted address into a proper address for the IN_ADDR structure.

unsigned long inet_addr(
  __in          const char* cp
);
/*******************************************************************************/

 

 

主机IP与TCP/IP网络IP的转换

 

htonl Function

The htonl function converts a u_long from host to TCP/IP network byte order (which is big endian).

u_long htonl(
  __in          u_long hostlong
);

/*******************************************************************************/

htons Function

The htons function converts a u_short from host to TCP/IP network byte order (which is big-endian).

u_short htons(
  __in          u_short hostshort
);