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Graham Lee 9ead8781d4 Add .docc catalog to publish stdlib docs on swift.org

Co-authored-by: Alex Martini <amartini@apple.com>
Co-authored-by: Graham Lee <glee23@apple.com>
Co-authored-by: Chris Adamson <cadamson@apple.com>
Co-authored-by: Kirby Turner <kirby_turner@apple.com>
Co-authored-by: Paris Pinkney <ppinkney@apple.com>
Co-authored-by: Dave Spector <dspector@apple.com>
Co-authored-by: Sofia Rodriguez Morales <sofia_rodriguez@apple.com>
Co-authored-by: Ethan Kusters <ekusters@apple.com>
Co-authored-by: Goli Mohammadi <g_mohammadi@apple.com>
Co-authored-by: Adora Vaz <a_vaz@apple.com>
Co-authored-by: David Rönnqvist <ronnqvist@apple.com>
Co-authored-by: Nate Merseth Cook <natecook@apple.com>
Co-authored-by: Susan Conant <susan_c@apple.com>

2026-04-10 10:04:56 -04:00

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C Interoperability

Use imported C types or call C variadic functions.

Topics

C Pointers

Swift/OpaquePointer
Swift/AutoreleasingUnsafeMutablePointer

C Variadic Functions

Swift/withVaList(_:_:)
Swift/CVaListPointer
Swift/CVarArg
Swift/getVaList(_:)

Pointers to Values

Access a pointer to a variable in memory for explicit passing to C functions.

Swift/withUnsafePointer(to:_:)-9fjn6
Swift/withUnsafePointer(to:_:)-35wrn
Swift/withUnsafeMutablePointer(to:_:)
Swift/withUnsafeBytes(of:_:)-5zxtl
Swift/withUnsafeBytes(of:_:)-5gesg
Swift/withUnsafeMutableBytes(of:_:)

Aliases for Imported C Types

Swift/CBool
Swift/CChar
Swift/CChar8
Swift/CChar16
Swift/CChar32
Swift/CDouble
Swift/CLongDouble
Swift/CFloat
Swift/CFloat16
Swift/CInt
Swift/CLong
Swift/CLongLong
Swift/CShort
Swift/CSignedChar
Swift/CUnsignedChar
Swift/CUnsignedInt
Swift/CUnsignedLong
Swift/CUnsignedLongLong
Swift/CUnsignedShort
Swift/CWideChar

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