r0 = mq_open(&(0x7f00000001c0)='vfat\x00', 0x0, 0x0, 0x0)
preadv(r0, &(0x7f0000000100)=[{&(0x7f0000000240)=""/4096, 0x1000}], 0x1, 0x63, 0x0)