rt_writable

Description

The rt_writable function determines whether an RTTP socket is writable, i.e., whether a call to the rt_send function can successfully send data.

Syntax:

int rt_writable(RTEngine engine, RTSOCKET s);

Parameters:

engine: The pointer to the RTTP engine instance returned by rt_init().

s: The descriptor identifying the RTTP socket.

Return Value:

If the RTTP socket is writable, rt_writable returns 1; otherwise, the return value is 0.