text: #include<stdio.h>
  #include<math.h>
  //guard code
  
  #ifndef name_h
  #define name_h
  #endif
  
  
  
  char read_chararcter(FILE *inputfile);
  
  int determine_ascii(char character); 
  
  void printint(FILE *outputfile, int num);
  
  FILE *openinputfile(void); 