Here is a list of all struct and union fields with links to the structures/unions they belong to:

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Z

- o -

• ob : FgetConv
• observer : ObserverNode
• observers : Notify
• offset : Body, Email, Line, ListAction, MwChunk
• old : Email, ImapEmailData, MuttWindow
• old_current : Menu
• old_last_dir : BrowserPrivateData
• old_size : HistoryModuleData
• old_top_line : PagerPrivateData
• oldcount : IndexPrivateData
• oldmsgcount : NmMboxData
• oldpath : NmEmailData
• op : AliasFunction, AttachFunction, AttachPrivateData, AutocryptFunction, BrowserFunction, ComposeFunction, EnterFunction, EnvelopeFunction, EventBinding, GlobalFunction, GpgmeFunction, HistoryFunction, IndexFunction, KeyEvent, Keymap, ListAction, MenuFuncOp, MenuFunction, MenuFunctionOp, MenuOpSeq, MlistFunction, PagerFunction, Pattern, PatternFlags, PatternFunction, PgpFunction, PostponeFunction, PreviewFunction, SidebarFunction, SmimeFunction
• open : ComprOps, Connection, SaslSockData, StoreOps
• opened : Mailbox
• opn_index : SidebarWindowData
• options : RocksDbStoreData
• order : BindingInfo
• organization : Envelope
• orient : MuttWindow
• orig_seq : AliasView
• orig_str : MbTable
• overview_fmt : NntpAccountData
• owner : Rfc2369ListHeaders