in C please

thanks!

Write a function countDigit() which receives a char array of size 20 from main(. This function counts the number of digits in the char array, and returns the count (of type int) to maino Output Example Enter 20 character: e 3gnjt salcm w 9 d 6 s a 0 g P Number of digits: 5 Rubrics 1 point(s) - Correct implementation of scanf. 3 point(s) - Correct implementation of function. 2 point(s) - Correct implementation of if. 1 point(s) - Correct implementation of array. 1 point(s) - Correct imple tation of loop. 1 point(s) - Correct output. 1 point(s) - No syntax errors