NAME¶
upscli_fd - Get file descriptor for connection
SYNOPSIS¶
#include <upsclient.h>
int upscli_fd(UPSCONN_t *ups);
DESCRIPTION¶
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.
RETURN VALUE¶
The
upscli_fd() function returns the file descriptor, which may be any
non-negative number. It returns -1 if an error occurs.
SEE ALSO¶
upscli_connect(3),
upscli_strerror(3),
upscli_upserror(3)