CODEWITHSUNDEEP
c
Bonk
Bonk

Reputation: 1949

Does C allow parameter by address?

I am getting a compilation error for the following statement:

void read_text(int & c1, int & c2, string file1, string file2 )

I seem to get error when passing the address; the error message is below:

Error   13  error C2143: syntax error : missing ')' before '&'  \\vmware-host\shared folders\school\misc\johncpp\porj\similarity.c  101

I am using on Visual Studio.

Upvotes: 0

Views: 87

Answers (3)

Carl Norum
Carl Norum

Reputation: 225032

No, you can't use C++ style references in C. You'll need to pass pointers to get similar behaviour.

Upvotes: 1

wallyk
wallyk

Reputation: 57784

C does allow passing a pointer, which is the usual mechanism for parameter references. However, the syntax is not as used in C++, which you have used. Instead it is:

void read_text(int * c1, int * c2, string file1, string file2)

Upvotes: 3

Oliver Charlesworth
Oliver Charlesworth

Reputation: 272657

Your syntax is invalid in C. I'm not sure what your aim is. Either you're thinking of C++ references (which are a C++ thing), or you're thinking of pointers, in which case you want *, not &.

Upvotes: 2

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