william007
asked on
error C2065: 'CString' : undeclared identifier
I am using visual C++ 2005(native C++)
I got the error
error C2065: 'CString' : undeclared identifier
for the following code,
what is the problem?
I got the error
error C2065: 'CString' : undeclared identifier
for the following code,
what is the problem?
#include <cstring>
using namespace std;
int main(){
CString ab;
ab="a";
}
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Jaime Olivares
also, that will work only if you have declared your project as MFC application.
Did you mean the following?
#include <string>
using namespace std;
int main(){
string ab;
ab="a";
}
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>> There is. It's the C++ equivalent
Just to clarify, all of the old C++ headers not have C++ versions, there they start with a c and drop the .h suffix. For example, cstdlib, cstdio. The (main) difference is that these headers place standard C functions into the std namespace. When coding in C you should use the normal C versions, when coding in C++ you should use the new versions. The C style headers are considered deprecated in C++.
A list of the standard C++ headers can be found here: http://www.cplusplus.com/reference/clibrary/
Just to clarify, all of the old C++ headers not have C++ versions, there they start with a c and drop the .h suffix. For example, cstdlib, cstdio. The (main) difference is that these headers place standard C functions into the std namespace. When coding in C you should use the normal C versions, when coding in C++ you should use the new versions. The C style headers are considered deprecated in C++.
A list of the standard C++ headers can be found here: http://www.cplusplus.com/reference/clibrary/
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ASKER
Thanks:)
C++
C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.
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