- inet_aton、inet_addr和inet_ntoa在点分十进制数串(例如”206.62.226.33”)与它的32位网络字节序二进制值间转换IPv4地址
- 两个较新的函数:inet_pton和inet_ntop对IPv4和IPv6地址都能进行处理
/* Convert Internet number in IN to ASCII representation. The return value
is a pointer to an internal array containing the string. */
extern char *inet_ntoa (struct in_addr __in) __THROW;
/* Convert from presentation format of an Internet number in buffer
starting at CP to the binary network format and