To Convert Character Upper-Case To Lower Case And Vice Verse

#include<stdio.h>
#include<conio.h>
int main()
{
char ch;
printf("Enter any character : ");
scanf("%ch",&ch);
if(ch>='A' && ch<='Z')
ch=ch+32;
else if(ch>'a' && ch<='z')
ch=ch-32;
printf("Convert case of character : %c",ch);
// getch();
return 0;
}