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);