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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
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There is a compiler switch which enables C99 mode, which amongst other things allows declaration of a variable inside the for loop. To turn it on use the compiler switch -std=c99
Or as @OysterD says, declare the variable outside the loop.
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Visual Studio support for new C / C++ standards?
I keep reading about C99 and C++11 and all these totally sweet things that are getting added to the language standard that might be nice to use someday. However, we currently languish in the land of writing C++ in Visual Studio.
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What is P99 latency?
What does P99 latency represent? I keep hearing about this in discussions about an applications performance but couldn't find a resource online that would talk about this.
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What is the difference between C, C99, ANSI C and GNU C?
...ice on codechef and have been confused by the difference between C and C99. What does C mean here? Is it C89? Check the languages at the bottom of this submit . It contains both C and C99.
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What is the difference between precision and scale?
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Precision 4, scale 2: 99.99
Precision 10, scale 0: 9999999999
Precision 8, scale 3: 99999.999
Precision 5, scale -3: 99999000
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How can one print a size_t variable portably using the printf family?
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+1. Is this a C99 addition or does this apply to C++ as well (I don't have C90 handy)?
– avakar
Mar 26 '10 at 16:20
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Why does C++11 not support designated initializer lists as C99? [closed]
...c1/sc22/wg21/docs/papers/2017/p0329r4.pdf
This brings limited support for c99's Designated Initializers. This limitation is described as follows by C.1.7[diff.decl].4, given:
struct A { int x, y; };
struct B { struct A a; };
The following Designated Initializations, which are valid in C, are rest...
snprintf and Visual Studio 2010
...p:
#if defined(_MSC_VER) && _MSC_VER < 1900
#define snprintf c99_snprintf
#define vsnprintf c99_vsnprintf
__inline int c99_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap)
{
int count = -1;
if (size != 0)
count = _vsnprintf_s(outBuf, size, _TRUNCATE...
What's the best way to get the last element of an array without deleting it?
... NULL | NULL | string(1) "d" | string(1) "c" | int(99) | int(99999) || NULL | NULL | NULL | string(1) "d" | string(1) "c" | int(99) | int(99999) || NULL | NULL | NULL | string(1) "d" | string(1) "c" | int...
What's the best practice to round a float to 2 decimals? [duplicate]
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xarlymg89
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answered Jan 18 '12 at 14:21
Jav_RockJav_Rock
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