null terminated strings

Author: ivanbrennan

prog.10.3.c

@@ -0,0 +1,36 @@
+#include <stdio.h>
+
+int main (void)
+{
+	void concat (char result[], const char str1[], const char str2[]);
+	const char s1[] = { "Test " };
+	const char s2[] = { "works." };
+	char s3[20];
+
+	concat (s3, s1, s2);
+
+	printf ("%s\n", s3);
+
+	return 0;
+}
+
+// Function to concatenate two character strings
+
+void concat (char result[], const char str1[], const char str2[])
+{
+	int i, j;
+
+	// copy str1 to result
+
+	for ( i = 0; str1[i] != '\0'; ++i )
+		result[i] = str1[i];
+
+	// copy str2 to result
+
+	for ( j = 0; str2[j] != '\0'; ++j )
+		result[i + j] = str2[j];
+
+	// Terminate the concated string with a null character
+
+	result [i + j] = '\0';
+}