First commit of partial RosettaCode contents.

Pushing this for testing purposes. Lots of work still needed.

Task/FizzBuzz/C/fizzbuzz-2.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+main() {
+  int i = 1;
+  while(i <= 100) {
+    if(i % 15 == 0)
+      puts("FizzBuzz");
+    else if(i % 3 == 0)
+      puts("Fizz");
+    else if(i % 5 == 0)
+      puts("Buzz");
+    else
+      printf("%d\n", i);
+    i++;
+  }
+}

Task/FizzBuzz/C/fizzbuzz-3.c

@@ -0,0 +1,3 @@
+#include <stdio.h>
+#define F(x,y) printf("%s",i%x?"":#y"zz")
+int main(int i){for(--i;i++^100;puts(""))F(3,Fi)|F(5,Bu)||printf("%i",i);return 0;}

Task/FizzBuzz/C/fizzbuzz-4.c

@@ -0,0 +1,11 @@
+#include<stdio.h>
+
+int main ()
+{
+	int i;
+	const char *s[] = { "%d\n", "Fizz\n", s[3] + 4, "FizzBuzz\n" };
+	for (i = 1; i <= 100; i++)
+		printf(s[!(i % 3) + 2 * !(i % 5)], i);
+
+	return 0;
+}

Task/FizzBuzz/C/fizzbuzz.c

@@ -0,0 +1,20 @@
+#include<stdio.h>
+
+int main (void)
+{
+    int i;
+    for (i = 1; i <= 100; i++)
+    {
+        if (!(i % 15))
+            printf ("FizzBuzz");
+        else if (!(i % 3))
+            printf ("Fizz");
+        else if (!(i % 5))
+            printf ("Buzz");
+        else
+            printf ("%d", i);
+
+        printf("\n");
+    }
+    return 0;
+}