Short code questions $1$

$$ Write a function that adds up digits in a string. If a string contains a

digit $(0-9)$ add it to the sum value and return the sum. You cannot

use string.h or ctype.h$.$

Short code questions $2$

$$ Allocate sufficient memory in the following code example:

#include

#include

char $**$string$\_$duplication$($char $*$input$\_$string, int string$\_$length, int num$\_$dup$)\{$

$//$ return an array containing the string repeated num$\_$dup times

char $**$arr$\_$dups;

$//$ Allocate memory here

for$($int i$=0$; i

#include

char $**$string$\_$duplication$($char $*$input$\_$string, int string$\_$length, int num$\_$dup$)\{$

$//$ return an array containing the string repeated num$\_$dup times

char $**$arr$\_$dups;

$//$ Allocate memory here

for$($int i$=0$; i