Error occured can't figure out

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Here is the code snippet

C#

v1=fopen("Input.txt","r");
    getline(v1,c);
    while ( v1 )
    {
        ch += c;
        getline(v1,c);
    }

I get an error
"no instance of overloaded function "getline" matches the argument list
argument types are: (FILE *, std::string)"
while the v1 is file pointer and c is the string.....

Posted 18-Dec-14 1:25am

Member 10099183

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Praveen Kumar Upadhyay 18-Dec-14 7:59am

Can you please mention the declarations also??

Member 10099183 18-Dec-14 10:11am

FILE *v1;

string ch,c;
void main(void)
{
v1=fopen("Input.txt","r");
getline(v1,c);
while ( v1 )
{
ch += c;
getline(v1,c);
}

fclose(v1);
puts("Code:");
cout<<ch;
printf("\n\n");
Lexical(ch);
//updateToken();
getch();
}

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Aescleal · Answer 1 · 2014-12-18T02:35:00

If I were you I'd look very carefully at what fopen (the function that opens a file in the C runtime library) and getline (the function that reads a line of text from a stream in the C++ runtime library) actually do.

Basically you have to pick an IO model (either C's FILE pointer/function based API or C++'s stream/operator/function based API) and don't mix the two.

Kevin 7 · Answer 2 · 2014-12-18T02:39:00

Solution 2

Have you tried this:

http://www.cplusplus.com/forum/beginner/11304/[^]

Posted 18-Dec-14 2:39am

Kevin 7