ctypes.jl

# This file is a part of Julia. License is MIT: https://julialang.org/license

# essential type definitions for interacting with C code
# (platform- or OS-dependent types are defined in c.jl)

"""
    Cuchar

Equivalent to the native `unsigned char` c-type ([`UInt8`](@ref)).
"""
const Cuchar = UInt8


"""
    Cshort

Equivalent to the native `signed short` c-type ([`Int16`](@ref)).
"""
const Cshort = Int16


"""
    Cushort

Equivalent to the native `unsigned short` c-type ([`UInt16`](@ref)).
"""
const Cushort = UInt16


"""
    Cint

Equivalent to the native `signed int` c-type ([`Int32`](@ref)).
"""
const Cint = Int32


"""
    Cuint

Equivalent to the native `unsigned int` c-type ([`UInt32`](@ref)).
"""
const Cuint = UInt32


"""
    Cptrdiff_t

Equivalent to the native `ptrdiff_t` c-type (`Int`).
"""
const Cptrdiff_t = Int


"""
    Csize_t

Equivalent to the native `size_t` c-type (`UInt`).
"""
const Csize_t = UInt


"""
    Cssize_t

Equivalent to the native `ssize_t` c-type.
"""
const Cssize_t = Int


"""
    Cintmax_t

Equivalent to the native `intmax_t` c-type ([`Int64`](@ref)).
"""
const Cintmax_t = Int64


"""
    Cuintmax_t

Equivalent to the native `uintmax_t` c-type ([`UInt64`](@ref)).
"""
const Cuintmax_t = UInt64


"""
    Clonglong

Equivalent to the native `signed long long` c-type ([`Int64`](@ref)).
"""
const Clonglong = Int64


"""
    Culonglong

Equivalent to the native `unsigned long long` c-type ([`UInt64`](@ref)).
"""
const Culonglong = UInt64


"""
    Cfloat

Equivalent to the native `float` c-type ([`Float32`](@ref)).
"""
const Cfloat = Float32


"""
    Cdouble

Equivalent to the native `double` c-type ([`Float64`](@ref)).
"""
const Cdouble = Float64


# we have no `Float16` alias, because C does not define a standard fp16 type. Julia follows
# the _Float16 C ABI; if that becomes standard, we can add an appropriate alias here.