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remctl_command.3.gz

REMCTL_COMMAND(3)     remctl Library Reference     REMCTL_COMMAND(3)



NAME
       remctl_command, remctl_commandv - Send a command to a remctl
       server

SYNOPSIS
       #include <remctl.h>

       int remctl_command(struct remctl *r, const char **command);

       #include <sys/uio.h>

       int remctl_commandv(struct remctl *r, const struct iovec
       *iov,
                           size_t count);

DESCRIPTION
       remctl_command() and remctl_commandv() send a command to a
       remote remctl server.  The remctl client object r, created
       with remctl_new(), should have previously been passed to
       remctl_open() to open a connection to the server.

       remctl_command() takes the command as a NULL-terminated array
       of NUL-terminated strings (the same layout as an argv array).
       This function is most convenient when passing simple text
       commands.

       remctl_commandv() takes the command as an array of iovec
       structs of length count.  This function is most convenient
       when passing arbitrary data to the command, since the iovec
       struct takes a pointer and a length for each chunk of data.
       See writev(2) for the layout of the iovec struct.

       After calling one of these functions, call remctl_output() to
       get the results of the command.

RETURN VALUE
       remctl_command() and remctl_commandv() return true on success
       and false on failure.  On failure, the caller should call
       remctl_error() to retrieve the error message.

SEE ALSO
       remctl_new(3), remctl_open(3), remctl_output(3),
       remctl_error(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>



2.16                         2010-05-02            REMCTL_COMMAND(3)
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