foo                12 src/testcid.c  	struct helper *foo = (struct helper *) user_data;
foo                14 src/testcid.c  	len = write(foo->fd, buf, buflen * 2);
foo                16 src/testcid.c  	foo->wrote += buflen * 2;
foo                32 src/testcid.c  	struct helper foo = {0};
foo                67 src/testcid.c  		foo.fd = fd;
foo                70 src/testcid.c  		ftdm_fsk_modulator_init(&fsk_trans, FSK_BELL202, 8000, &fsk_data, -14, 180, 5, 300, my_write_sample, &foo);
foo                73 src/testcid.c  		printf("%u %d %d\n", (unsigned) fsk_data.dlen, foo.wrote, fsk_trans.est_bytes);