typedef char output1_t;
#define OUTPUT_MAX_DATA	INPUT_MAX_DATA
output1_t output_data[OUTPUT_MAX_DATA];

int output_ready();
int output_process(int len);

/** configure output interfaces */
struct utils_itf output_itfs[] = {
                {"output",          
                 sizeof(output1_t), 
                 OUTPUT_MAX_DATA, 
                 output_data,     
                 output_ready,
                 output_process
                },

                {NULL, 0, 0, 0, 0, 0}};