Assuming an input data file already exists and contains the values given below, what type of looping structure would be best suited to read the data? 0.0, 132.5 0.1, 147.2 0.2, 148.3 0.3, 157.3 0.4, 163.2 999.0, -999.0 while for do/while end of file Data files must have either a control number or a sentinel number. True False The correct C statement to close an input or output file is closef. True False In C, fscanf() is used to: print data to the computer screen. read in data from a file. read input from the keyboard write data to a file. To read data from an input file in C, you would use: scanff fscanff fscan fscanf What is the C statement required so send output so a data file? fprintf printff printf writef