List of C Programs
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Program #41: To Convert Upper Case into Lower Case or vice-versa

C Language 

#include<stdio.h>
#include<conio.h>
void main( )
{
    char ch;
    clrscr( );
    printf("Entry Any Alphabet = ");
    scanf("%c",&ch);
    if (ch>=65&&ch<=90) {
        ch = ch+32;
    } else {
        ch = ch-32;
    }
    printf("After Conversion = %c", ch);
    getch( );
}

/*OUTPUT*/

Entry Any Alphabet = t
After Conversion = T

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