Please fill in the blanks for C /*This task creates a program that reads 3 lowercase strings and prints them back with uppercase Scan and print the strings using a function Call a function to convert all the letter to uppercase                         If they are already uppercase or non-character (symbol), do nothing                         Otherwise, convert them to uppercase using the ascii table (We can convert the letters right after getting the inputs, but I want to separate them to make the each function shorter and easier to debug). */   #include #__1__ length 1000 //set a maximum length for our character string   /*This function reads in characters from user, and stop when it detects an Enter. Save user input to a string*/ __2__ getString(__3__ str[]) //we don't need to specify size, use '\n' to check when input is done {             printf("\nEnter your string: ");             int index = __4__; //array location initialization             char curChar;             do             {                         curChar = __5__(); // call the function to get 1 character                         __6__[__7__] = __8__; //save the read-in character to the string (character array)                         index++; //update index for next character             }while(curChar __9__ __10__); //the condition, loop runs as long as this happens.                         str[__11__ - __12__] = __13__; // need to add this at the end the string at last index. }   /*This function converts lowercase letters to uppercase     and leave the rest of the characters the same.   Loop through the entire array until the end of the string has been reached*/ __14__ toUpper(__15__ str[]) {             int index = __16__; //array location initialization             while(__17__[__18__] __19__ __20__) //condition to make loop runs: till reaches the end of the string             {                         //check if array character is a lower case                         if((__21__[__22__] >= __23__) __24__ (__25__[__26__] <= __27__))                                     str[index] -= __28__; // convert from lowercase letter to an uppercase letter                         index++; //update to go to next letter             } }   /*This function prints the upper case string*/ __29__ printString(__30__ str[]) {             printf("\nYour string in all CAPS is:\n");             printf("__31__", __32__); }   int main() {             // Use a loop to get 3 strings             for(int i = 0; i < 3; i++)             {                         char str[length];//create a string                         getString(str);//get the string inputted from user                         toUpper(str); //convert string to upper case                         printString(str); //print string             }             return