SDL Wiki
(This function is part of SDL_net, a separate library from SDL.)


Resolve a host name and port to an IP address in network form.

Header File

Defined in <SDL_net.h>


int SDLNet_ResolveHost(IPaddress *address, const char *host, Uint16 port);

Function Parameters

IPaddress * address to be filled in with the resolved address and port.
const char * host the hostname to lookup (like "").
Uint16 port the port intended to be connected to, to fill into address.

Return Value

(int) Returns zero on success, -1 on error.


If host is NULL, the resolved host will be set to INADDR_ANY.

If the host couldn't be resolved, the host portion of the returned address will be INADDR_NONE, and the function will return -1.


This function is available since SDL_net 2.0.0.

CategoryAPI, CategoryAPIFunction

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