C

check if character is uppercase c

int isUpper(char c) {
  // check if the argument is the uppercase bound
  if (c >= 'A' && c <= 'Z') return 1;
  else 						return 0;
}

c check if character is upper case

char ch = 'Z';
 if(isupper(ch))
   printf("upper case");     
 else
     printf("lower case");
// Output: upper case
CCopy