Added druntime (this should be removed once it works).

druntime/import/core/stdc/stdlib.d

@@ -0,0 +1,93 @@
+/**
+ * D header file for C99.
+ *
+ * Copyright: Copyright Sean Kelly 2005 - 2009.
+ * License:   <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.
+ * Authors:   Sean Kelly
+ * Standards: ISO/IEC 9899:1999 (E)
+ *
+ *          Copyright Sean Kelly 2005 - 2009.
+ * Distributed under the Boost Software License, Version 1.0.
+ *    (See accompanying file LICENSE_1_0.txt or copy at
+ *          http://www.boost.org/LICENSE_1_0.txt)
+ */
+module core.stdc.stdlib;
+
+private import core.stdc.config;
+public import core.stdc.stddef; // for size_t, wchar_t
+
+extern (C):
+
+struct div_t
+{
+    int quot,
+        rem;
+}
+
+struct ldiv_t
+{
+    int quot,
+        rem;
+}
+
+struct lldiv_t
+{
+    long quot,
+         rem;
+}
+
+enum EXIT_SUCCESS = 0;
+enum EXIT_FAILURE = 1;
+enum RAND_MAX     = 32767;
+enum MB_CUR_MAX   = 1;
+
+double  atof(in char* nptr);
+int     atoi(in char* nptr);
+c_long  atol(in char* nptr);
+long    atoll(in char* nptr);
+
+double  strtod(in char* nptr, char** endptr);
+float   strtof(in char* nptr, char** endptr);
+real    strtold(in char* nptr, char** endptr);
+c_long  strtol(in char* nptr, char** endptr, int base);
+long    strtoll(in char* nptr, char** endptr, int base);
+c_ulong strtoul(in char* nptr, char** endptr, int base);
+ulong   strtoull(in char* nptr, char** endptr, int base);
+
+int     rand();
+void    srand(uint seed);
+
+void*   malloc(size_t size);
+void*   calloc(size_t nmemb, size_t size);
+void*   realloc(void* ptr, size_t size);
+void    free(void* ptr);
+
+void    abort();
+void    exit(int status);
+int     atexit(void function() func);
+void    _Exit(int status);
+
+char*   getenv(in char* name);
+int     system(in char* string);
+
+void*   bsearch(in void* key, in void* base, size_t nmemb, size_t size, int function(in void*, in void*) compar);
+void    qsort(void* base, size_t nmemb, size_t size, int function(in void*, in void*) compar);
+
+int     abs(int j);
+c_long  labs(c_long j);
+long    llabs(long j);
+
+div_t   div(int numer, int denom);
+ldiv_t  ldiv(c_long numer, c_long denom);
+lldiv_t lldiv(long numer, long denom);
+
+int     mblen(in char* s, size_t n);
+int     mbtowc(wchar_t* pwc, in char* s, size_t n);
+int     wctomb(char*s, wchar_t wc);
+size_t  mbstowcs(wchar_t* pwcs, in char* s, size_t n);
+size_t  wcstombs(char* s, in wchar_t* pwcs, size_t n);
+
+version( DigitalMars )
+{
+    void* alloca(size_t size); // non-standard
+}