ap_ get_virthost_addr — convert a hostname or port to an address
unsigned long ap_ get_virthost_addr(const char *hostname, short *ports)
Converts a hostname
of the form
name
[:
port
]
to an IP address in network order, which it returns.
*ports is filled in with the port number if it is
not NULL. If name is
missing or “*”,
INADDR_ANY is returned. If
port is missing or
“*”, *ports is
set to 0.
If the host has multiple IP addresses, an error message is printed,
and exit() is called.