Nios® II Software Developer Handbook

ID 683525
Date 8/28/2023
Public
Document Table of Contents

15.2. HAL Standard Types

In the interest of portability, the HAL uses a set of standard type definitions in place of the ANSI C built-in types. The Table below describes these types, which are defined in the header file alt_types.h.

Table 57.  HAL Standard Types
Type Description
alt_8 Signed 8-bit integer.
alt_u8 Unsigned 8-bit integer.
alt_16 Signed 16-bit integer.
alt_u16 Unsigned 16-bit integer.
alt_32 Signed 32-bit integer.
alt_u32 Unsigned 32-bit integer.
alt_64 Signed 64-bit integer.
alt_u64 Unsigned 64-bit integer.