problem with streambuffer

[vin029]

Hello experts,

i have one query which i am not able to solve please suggest me my problem is i have to open a filedescriptor and have to store the contents in streambuffer,

i,e

int main () {
 
 char ch;
 streambuf * pbuf;size_t size;
  ifstream istr(const char *)fd);
  pbuf = istr.rdbuf();
 
  while (pbuf->sgetc()!=EOF)
  {
     ch = pbuf->sbumpc();
     cout << ch;
  }
 
  istr.close();
 
  return 0;
}
 
 

but here the line

ifstream istr(const char *)fd);

is not properly interpreting thats why there is no out put

if i simply give

ifstream istr(fd);

it gives me error as this method does not exist,
please helop me what to do but i want the result in <b>streambuffer</b> because this is the input for some other module in my project pleasesuggest what are the different way i can get so the i get the contents in <b>streambuffer.</b>

thanks in advance.

[vin029]

please experts help me

even i tried in this way also

char ch[100];
pFile = fdopen (fd,"r");
fgets(ch, 90,pFile);

know is there any way i can convert character buffer to stream buffer
please tell me if any alternate solutions for this problem.

at the end i want the output in streambuffer.

[Banfa]

ifstream istr(const char *)fd);

Count the ( and )

Also have you tried using a stringstream defined in sstream?