Implemented malloc, abort, exit

tests/memory.c

@@ -0,0 +1,28 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+    char buf[] = {
+        0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+        0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+        0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+        0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+        0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+    };
+
+    char *buf2 = malloc(sizeof(buf));
+    memcpy(buf2, buf, sizeof(buf));
+
+    for (size_t i = 0; i < sizeof(buf2); i++) {
+        if (buf[i] != buf2[i]) {
+            printf("buf[%zu] != buf2[%zu] !!\n", i, i);
+            return -1;
+        }
+    }
+
+    printf("copy ok.\n");
+    free(buf2);
+    return 0;
+}