dblen            3575 src/ftdm_io.c  	ftdm_size_t dblen = 0;
dblen            3578 src/ftdm_io.c  	if (ftdmchan->gen_dtmf_buffer && (dblen = ftdm_buffer_inuse(ftdmchan->gen_dtmf_buffer))) {
dblen            3583 src/ftdm_io.c  		if (dblen > sizeof(digits) - 1) {
dblen            3584 src/ftdm_io.c  			dblen = sizeof(digits) - 1;
dblen            3587 src/ftdm_io.c  		if (ftdm_buffer_read(ftdmchan->gen_dtmf_buffer, digits, dblen) && !ftdm_strlen_zero_buf(digits)) {
dblen            3615 src/ftdm_io.c  		if (ftdmchan->dtmf_buffer && (dblen = ftdm_buffer_inuse(ftdmchan->dtmf_buffer))) {
dblen            3617 src/ftdm_io.c  		} else if (ftdmchan->fsk_buffer && (dblen = ftdm_buffer_inuse(ftdmchan->fsk_buffer))) {
dblen            3631 src/ftdm_io.c  		len = dblen > dlen ? dlen : dblen;