upscli_fd - Man Page

        #include <upsclient​.h>

        int upscli_fd(UPSCONN_t *ups);

The upscli_fd() function takes the pointer ups to a UPSCONN_t state structure and returns the value of the file descriptor for that connection, if any​.

This may be useful for determining if the connection to upsd(8) has been lost​.

The upscli_fd() function returns the file descriptor, which may be any non-negative number​.

It returns -1 if an error occurs​.

upscli_connect(3), upscli_strerror(3), upscli_upserror(3)

nut(7), upscli_connect(3), upscli_disconnect(3), upsclient(3), upscli_init(3), upscli_list_start(3), upscli_readline(3), upscli_sendline(3), upscli_splitaddr(3), upscli_splitname(3), upscli_ssl(3), upscli_strerror(3).