Types

This page contains a canonical list of type symbols recognized by attach_function and Struct#layout

Types

• :char – 8-bit character
• :uchar – 8-bit unsigned character
• :int8 – 8-bit signed integer
• :uint8 – 8-bit unsigned integer
• :short – 16-bit signed integer
• :ushort – 16-bit unsigned integer
• :int16 – 16-bit signed integer
• :uint16 – 16-bit unsigned integer
• :int – 32-bit signed integer
• :uint – 32-bit unsigned integer
• :int32 – 32-bit signed integer
• :uint32 – 32-bit unsigned integer
• :long – long int – platform-specific size
• :ulong – unsigned long int – platform-specific size
• :int64 – 64-bit signed integer
• :uint64 – 64-bit unsigned integer
• :long_long – 64-bit signed integer
• :ulong_long – 64-bit unsigned integer
• :float – 32-bit floating point
• :double – 64-bit floating point (double-precision)
• :pointer – pointer – platform-specific size
• :void – used ONLY as a return-value specifier for functions returning void
• :string – C-style (NULL-terminated) character string
• :buffer_in -
• :buffer_out -
• :buffer_inout -
• :varargs -
• :bool -