MCIF_DSN
!bitset(MCIF_DSN, mci->mci_flags))
{ MCIF_DSN, "DSN" },
#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS)
#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT)
if (bitset(MCIF_DSN, mci->mci_flags))
if (bitset(MCIF_DSN, mci->mci_flags))
mci->mci_flags |= MCIF_DSN;