--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/run/mini/bug55.d	Mon Jan 10 19:47:18 2011 +0100
@@ -0,0 +1,21 @@
+module bug55;
+extern(C) int printf(char*, ...);
+
+int atoi(char[] s) {
+    int i, fac=1;
+    bool neg = (s.length) && (s[0] == '-');
+    char[] a = neg ? s[1..$] : s;
+    foreach_reverse(c; a) {
+        i += (c-'0') * fac;
+        fac *= 10;
+    }
+    return !neg ? i : -i;
+}
+
+void main()
+{
+    printf("64213 = %d\n", atoi("64213"));
+    printf("-64213 = %d\n", atoi("-64213"));
+    assert(atoi("64213") == 64213);
+    assert(atoi("-64213") == -64213);
+}