added ws202425 courses

2023_CS50X/arrays/Source/length1.c

@@ -0,0 +1,25 @@
+// Determines the length of a string using a function
+
+#include <cs50.h>
+#include <stdio.h>
+
+int string_length(string s);
+
+int main(void)
+{
+    // Prompt for user's name
+    string name = get_string("Name: ");
+    int length = string_length(name);
+    printf("%i\n", length);
+}
+
+int string_length(string s)
+{
+    // Count number of characters up until '\0' (aka NUL)
+    int n = 0;
+    while (s[n] != '\0')
+    {
+        n++;
+    }
+    return n;
+}