upscli_disconnect - disconnect from a UPS server
int upscli_disconnect(UPSCONN_t *ups);
The upscli_disconnect() function takes the pointer ups to a
UPSCONN_t state structure, shuts down the connection to the server, and frees
dynamic memory used by the state structure. The UPSCONN_t structure is no
longer valid after this function is called.
This function must be called, or your program will leak memory and
The upscli_disconnect() function returns 0 on success, or -1 if an error