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C++

vfscanf


Reads data from the stream and stores them according to parameter format into the locations pointed by the elements in the variable argument list identified by arg.

Syntax:
int vfscanf ( FILE * stream, const char * format, va_list arg );


Example:

#include 
#include 

void ReadStuff (FILE * stream, const char * format, ...)
{
  va_list args;
  va_start (args, format);
  vfscanf (stream, format, args);
  va_end (args);
}

int main ()
{
  FILE * pFile;
  int val;
  char str[100];

  pFile = fopen ("myfile.txt","r");

  if (pFile!=NULL) {
    ReadStuff ( pFile, " %s %d ", str, &val );
    printf ("I have read %s and %d", str, val);
    fclose (pFile);
  }

  return 0;
}


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