I need help modifying my c program code, my code is in the red box, I need my code to work exactly like the display in the green box. My code is provided below.

#include  #include  const int ESC = 27; char change_case(char cIn); int main() { char ch; do { printf("Enter a character : "); ch = getch(); if(ch == 27) break; printf(" "); printf("Changed Character : %c ", change_case(ch)); }while(1); } char change_case(char cIn) { if(cIn >= 'a' && cIn = 'A' && cIn   Enter a character : Changed Character : A Enter letter: a Letter with case changed = A Enter a character : Changed Character : B Enter letter: b Letter with case changed = B Enter a character : Changed Character :c Enter letter: C Letter with case changed = 0 Enter a character : Enter letter: 1 THAT IS NOT A LETTER! THAT IS NOT A LETTER! Changed Character : 1 Enter letter: Enter a character