Mercurial > nand-ecoscentric
diff packages/net/tcpip/current/doc/inet_addr.html @ 97:ced4577552cd ecos-sw-2000-06-06
Merge from eCos master repository on 2000-06-06-08:44:00-BST
| author | jlarmour |
|---|---|
| date | Tue, 06 Jun 2000 08:39:36 +0000 |
| parents | |
| children |
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new file mode 100644 --- /dev/null +++ b/packages/net/tcpip/current/doc/inet_addr.html @@ -0,0 +1,40 @@ +<html> +<body> +<pre> +NAME + inet_aton, inet_addr, inet_ntoa - Internet address + manipulation routines + +SYNOPSIS + #include <network.h> + + int inet_aton(const char *cp, struct in_addr *inp); + + unsigned long int inet_addr(const char *cp); + + char *inet_ntoa(struct in_addr in); + +DESCRIPTION + inet_aton() converts the Internet host address cp from the + standard numbers-and-dots notation into binary data and + stores it in the structure that inp points to. inet_aton + returns nonzero if the address is valid, zero if not. + + The inet_addr() function converts the Internet host + address cp from numbers-and-dots notation into binary data + in network byte order. If the input is invalid, + INADDR_NONE (usually -1) is returned. This is an obsolete + interface to inet_aton, described immediately above; it is + obsolete because -1 is a valid address (255.255.255.255), + and inet_aton provides a cleaner way to indicate error + return. + + The inet_ntoa() function converts the Internet host + address in given in network byte order to a string in + standard numbers-and-dots notation. The string is + returned in a statically allocated buffer, which subse + quent calls will overwrite. + +</pre> +</body> +</html>