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Showing content from http://hackage.haskell.org/package/base/docs/Foreign-C-Types.html below:

Foreign.C.Types

newtype CChar Source #

Haskell type representing the C char type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CSChar Source #

Haskell type representing the C signed char type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CUChar Source #

Haskell type representing the C unsigned char type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CShort Source #

Haskell type representing the C short type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CUShort Source #

Haskell type representing the C unsigned short type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CInt Source #

Haskell type representing the C int type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CUInt Source #

Haskell type representing the C unsigned int type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CLong Source #

Haskell type representing the C long type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CULong Source #

Haskell type representing the C unsigned long type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CPtrdiff Source #

Haskell type representing the C ptrdiff_t type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CSize Source #

Haskell type representing the C size_t type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CWchar Source #

Haskell type representing the C wchar_t type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CSigAtomic Source #

Haskell type representing the C sig_atomic_t type. (The concrete types of Foreign.C.Types are platform-specific.) See Note [Lack of signals on wasm32-wasi].

newtype CLLong Source #

Haskell type representing the C long long type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CULLong Source #

Haskell type representing the C unsigned long long type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CBool Source #

Haskell type representing the C bool type. (The concrete types of Foreign.C.Types are platform-specific.)

Since: base-4.10.0.0

These types are represented as newtypes of basic foreign types, and are instances of Eq, Ord, Num, Read, Show, Enum, Typeable and Storable.

newtype CClock Source #

Haskell type representing the C clock_t type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CTime Source #

Haskell type representing the C time_t type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CUSeconds Source #

Haskell type representing the C useconds_t type. (The concrete types of Foreign.C.Types are platform-specific.)

Since: base-4.4.0.0

newtype CSUSeconds Source #

Haskell type representing the C suseconds_t type. (The concrete types of Foreign.C.Types are platform-specific.)

Since: base-4.4.0.0

To convert CTime to UTCTime, use the following:

\t -> posixSecondsToUTCTime (realToFrac t :: POSIXTime)

These types are represented as newtypes of Float and Double, and are instances of Eq, Ord, Num, Read, Show, Enum, Typeable, Storable, Real, Fractional, Floating, RealFrac and RealFloat. That does mean that CFloat's (respectively CDouble's) instances of Eq, Ord, Num and Fractional are as badly behaved as Float's (respectively Double's).

newtype CFloat Source #

Haskell type representing the C float type. (The concrete types of Foreign.C.Types are platform-specific.)

newtype CDouble Source #

Haskell type representing the C double type. (The concrete types of Foreign.C.Types are platform-specific.)

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