C program to convert an alphabet to lower case to upper case and upper case to lower case

UPPERCASE TO LOWERCASE

#include<stdio.h>

#include<conio.h>

int main()

{     

clrscr();

char c;

printf(“Enter one digit in uppercase\n”);

scanf(“%c”,&c);
c=c+32;
printf(“character in lowercase will be  = %c”,c);

getch();

return 0;

}

2.  LOWERCASE TO UPPERCASE

#include<stdio.h>

#include<conio.h>

int main()

{   

 clrscr();

char c;

printf(“Enter one digit in lowercase\n”);

scanf(“%c”,&c);
c=c-32;
printf(“character in uppercase will be  = %c”,c);

getch();

return 0;

}

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