r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000003680), 0x0)
ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85322, &(0x7f00000036c0)={{0xec}, 'port0\x00'})