2) Write a program in C to store 10 elements in a char array and print the elements using a pointer. The requirements are given as follows, define a char array with the letters a~j define a pointer and use it for accessing each element in the char array, and print them all out

3)Write a program in C to count the number of vowels in a string using a pointer. ask the user to enter a string with a length less than 20 define a pointer to get access to the above string, go through the whole string and count the number of vowels in it