Create text file using stream writer, then write and read the file information?

Show two different ways to reset the file position pointer to the beginning of the file

Create a program that asks the user for the name of a file and then rearranges the contents of the file so that its lines are in alphabetical order. The program should modify the file, not just print its contents to the screen. Use the STL algorithm sort. C++

C++ Write a code fragment to: declare two file streams, infile and outfile Open them and connect them to the files file1.dat and file2.dat read an int from file1.dat and print it to file2.dat This should only be a half dozen lines of code.