9. Program to print the corresponding ASCII character

// Program to print the  corresponding ASCII character

#include <stdio.h>
#include <fstream.h>
#include <stdlib.h>
#include<conio.h>
main()
    {
    clrscr();
    char line[512]; /* input string */
    char sym;       /* ASCII code number */
    cout<<"Please enter the number to be factored: ";
    cin.getline(line, 512);
    sym = atoi(line);
    cout<<int(sym)<<"  is the ASCII code for ";
    if (sym == 0)
cout<<"null\n";
    else if (sym == ' ')
cout<<"blank\n";
    else if (sym == 127)
cout<<"del\n";
    else if (sym >=  1 && sym <=  31)
cout<<"CONTROL-\n"<< sym + 64;
    else if (sym >= '0' && sym <=  '9')
cout<<"digit \n"<< sym;
    else if (sym >= 'A' && sym <=  'Z')
cout<<"UPPERCASE \n"<< sym;
    else if (sym >= 'a' && sym <= 'z')
cout<<"lowercase \n"<< sym;
    else
cout<<"punctuation mark \n"<< sym;
getch();
    }