Write a C program named as listVowelFreq.c that lists the frequency of the vowels from the input via ignoring the case sensitivity. For example, sample outputs could be like below

$cat test.txt

This is a list of courses.CSC 1010 -COMPUTERS & APPLICATIONS

$./listVowelFreq

Letter a or A appears 3 times

Letter e or E appears 2 times

Letter i or I appears 5 times

Letter o or O appears 4 times

Letter u or U appears 2 times