NAME
remctl_error - Retrieve the error from a failed remctl operation
SYNOPSIS
#include <remctl.h>
const char *remctl_error(struct remctl *r);
DESCRIPTION
remctl_error() returns the error from a previously failed remctl
operation. Its only argument is a remctl struct as returned by
remctl_new(). If the previous remctl operation was successful, returns
the constant string "No error".
The caller may not modify the returned string. The string may even be
stored in read-only memory and attempting to modify it may cause a
memory fault. The returned pointer will be invalidated by the next
call to any remctl API function with the same client object, other than
remctl_error().
RETURN VALUE
remctl_error() returns either the previous error or the constant string
"No error". It will never return NULL.
SEE ALSO
remctl_new(3), remctl_open(3), remctl_command(3), remctl_commandv(3),
remctl_output(3)
The current version of the remctl library and complete details of the
remctl protocol are available from its web page at
<http://www.eyrie.org/~eagle/software/remctl/>.
AUTHOR
Russ Allbery <rra@stanford.edu>