Clean up tests

tests/stdlib/alloc.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char ** argv) {
+    char * ptr = (char *)malloc(256);
+    printf("malloc %p\n", ptr);
+    int i;
+    for(i = 0; i < 256; i++) {
+        ptr[i] = (char)i;
+    }
+    free(ptr);
+
+    char * ptrc = (char *)calloc(256, 1);
+    printf("calloc %p\n", ptrc);
+    for(i = 0; i < 256; i++) {
+        ptrc[i] = (char)i;
+    }
+    free(ptrc);
+
+    char * ptra = (char *)memalign(256, 256);
+    printf("memalign %p\n", ptra);
+    for(i = 0; i < 256; i++) {
+        ptra[i] = (char)i;
+    }
+    free(ptra);
+
+    return 0;
+}