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

SDLNet_TCP_Send

Send data over a non-server socket.

Syntax

int SDLNet_TCP_Send(TCPsocket sock, const void *data, int len);

Function Parameters

sock

the socket to send data to.

data

a pointer to the bytes to send.

len

the number of bytes, pointed to by data, to transmit.

Return Value

Returns number of bytes sent, which might be less if there was a problem or connection failure. If the socket is invalid, this function can return -1, but in valid uses it'll return >= 0.

Remarks

sock must be a valid socket that was created by SDLNet_TCP_Open with a specific address, or SDLNet_TCP_Accept.

This function sends len bytes, pointed to by data over the non-server socket sock.

This function returns the actual amount of data sent. If the return value is less than the amount of data sent, then either the remote connection was closed, or an unknown socket error occurred.

This function may block!

Version

This function is available since SDL_net 2.0.0.

SDLNet_TCP_Recv

CategoryAPI


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