/* 11(a). For a given sentence w.a.p. to replace lowercase letter by uppercase and vice-versa */

#include<stdio.h>
#include<conio.h>
void main()
{
    char get,ch[80]; /* Variable Declarations */
    int count=0,i;
    clrscr();
    printf("Type the text below(One Line or 80 Chars)and press ENTER key:\n\a\a");
    do
    {
        get=getchar();
        ch[count++]=get;
    }while(get!='\n');
    printf("\n\nThe cases are altered in the above sentence is as follows :\n");
    /* Converting the case of the sentence */
    for (i=0;i<count-1;i++)
    {
        get=((ch[i]>='a') && (ch[i]<='z'))?ch[i]-32:((ch[i]>='A') && (ch[i]<='Z'))?ch[i]+32:ch[i];
        putchar(get);
        //if (islower(ch[i])) putchar(toupper(ch[i]));
        //else putchar(tolower(ch[i]));
    }
    getch();
}