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RealView Compiler Reference Guide
Preface Introduction
About the ARM compiler Source language modes ISO C90 ISO C99 ISO C++ Language extensions and language compliance Language extensions Language compliance The C and C++ libraries Compiler Command-line Options Language Extensions Compiler-specific Features C and C++ Implementation Details Via File Syntax Standard C Implementation Definition Standard C++ Implementation Definition C and C++ Compiler Implementation LimitsISO C90
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| Home > Introduction > Source language modes > ISO C90 | |||
The ARM compiler compiles C as defined by the 1990 C standard and addenda, excepting wide I/O:
ISO/IEC 9899:1990. The 1990 International Standard for C.
ISO/IEC 9899 AM1. The 1995 Normative Addendum 1, adding international character support through
wchar.handwtype.h.
The ARM compiler also supports several extensions to ISO C90. See Language extensions and language compliance for more information.
Throughout this document, the term:
- C90
Means ISO C90, excepting wide I/O, together with the ARM extensions.
Use the compiler option
--c90to compile C90 code. This is the default.- Strict C90
Means C as defined by the 1990 C standard and addenda, excepting wide I/O.
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