still trying to read user input

puzzle1.c

@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#define stringSize 20
+
+int listSize = 0;
+char readChar = '0';
+char stringOne[stringSize];
+char stringTwo[stringSize];
+
+int readIntoList(char* stringList){
+  int index = 0;
+
+    while (getchar()=='\n'){
+        //eat up new lines in buffer
+    }
+    
+    while (1) {
+        readChar = getchar();
+        stringList[index] = readChar;
+        if (readChar == '\n' || index == stringSize-1) {
+            break;
+        }
+    index++;
+    }
+}
+
+int main(){
+    printf("enter list size: \n");
+
+    scanf("%i", &listSize);
+    int listOne[listSize];
+    int listTwo[listSize];
+
+    memset (listOne, '\0', listSize);
+    memset (listTwo, '\0', listSize);
+    printf ("enter list 1: \n");
+    readIntoList (stringOne);
+    printf ("enter list 2: \n");
+    readIntoList (stringTwo);
+
+    printf ("one: %s \ntwo: %s ",stringOne,stringTwo);
+}