First version of Ryan Gorodon's SDL work:

16:24 < icculus> check that in, someone will fix it.  :)

code/unix/SDL12/include/SDL_getenv.h

@@ -0,0 +1,31 @@
+
+/* Not all environments have a working getenv()/putenv() */
+
+#if defined(macintosh) || defined(_WIN32_WCE)
+#define NEED_SDL_GETENV
+#endif
+
+#ifdef NEED_SDL_GETENV
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Put a variable of the form "name=value" into the environment */
+extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
+#define putenv(X)   SDL_putenv(X)
+
+/* Retrieve a variable named "name" from the environment */
+extern DECLSPEC char * SDLCALL SDL_getenv(const char *name);
+#define getenv(X)     SDL_getenv(X)
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* NEED_GETENV */
+