Answer Posted / balu

#include<stdio.h>
#include<string.h>
main()
{
char ch;
printf("enter any character:\t");
scanf("%c",&ch);
if(ch>=97&&ch<=122)
{
printf("u enterd small letter \n");
function(ch);
getch();
}
else
printf("you entered the capital letter");
getch();
}
function(ch)
{
char c='z';
printf("replaced lower case letter into uppercase %c",c);
}

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