CODEWITHSUNDEEP
cvisual-studio-2010visual-c++visual-c++-2008
Igor Skochinsky
Igor Skochinsky

Reputation: 25268

Visual C++ 2010/2008 does not accept `__int64` in C mode

I have reduced the problem to these lines:

typedef __int64 int64;
inline int64 qatoll(const char *nptr) { return _atoi64(nptr); }

When compiling in C mode with VC++2008 or 2010 I get errors:

t.c(2) : error C2054: expected '(' to follow 'inline'
t.c(2) : error C2085: 'qatoll' : not in formal parameter list
t.c(2) : error C2143: syntax error : missing ';' before '{'

In C++ mode it does accept the function definition and only complains about _atoi64. What is the problem and how can I fix it? Visual C++ 15 compiles it without errors, so is this related to C99 support?

Upvotes: 0

Views: 204

Answers (1)

Weather Vane
Weather Vane

Reputation: 34560

It is not the __int64 which is the problem, but the inline syntax which should be _inline.

I just tried similar code on an older machine running MSVC 2008 to verify this.

Upvotes: 2

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