diff --git a/cstdlib/stdlib.c b/cstdlib/stdlib.c
index d64b2ec..0cca094 100644
--- a/cstdlib/stdlib.c
+++ b/cstdlib/stdlib.c
@@ -86,6 +86,48 @@ void StdlibSystem(struct ParseState *Parser, struct Value *ReturnValue, struct V
     ReturnValue->Val->Integer = system(Param[0]->Val->Pointer);
 }
 
+#if 0
+void StdlibBsearch(struct ParseState *Parser, struct Value *ReturnValue, struct Value **Param, int NumArgs)
+{
+    ReturnValue->Val->Pointer = bsearch(Param[0]->Val->Pointer, Param[1]->Val->Pointer, Param[2]->Val->Integer, Param[3]->Val->Integer, (int (*)())Param[4]->Val->Pointer);
+}
+#endif
+
+void StdlibAbs(struct ParseState *Parser, struct Value *ReturnValue, struct Value **Param, int NumArgs)
+{
+    ReturnValue->Val->Integer = abs(Param[0]->Val->Integer);
+}
+
+void StdlibLabs(struct ParseState *Parser, struct Value *ReturnValue, struct Value **Param, int NumArgs)
+{
+    ReturnValue->Val->Integer = labs(Param[0]->Val->Integer);
+}
+
+#if 0
+void StdlibDiv(struct ParseState *Parser, struct Value *ReturnValue, struct Value **Param, int NumArgs)
+{
+    ReturnValue->Val->Integer = div(Param[0]->Val->Integer, Param[1]->Val->Integer);
+}
+
+void StdlibLdiv(struct ParseState *Parser, struct Value *ReturnValue, struct Value **Param, int NumArgs)
+{
+    ReturnValue->Val->Integer = ldiv(Param[0]->Val->Integer, Param[1]->Val->Integer);
+}
+#endif
+
+#if 0
+/* handy structure definitions */
+const char StdlibDefs[] = "\
+typedef struct { \
+    int quot, rem; \
+} div_t; \
+\
+typedef struct { \
+    int quot, rem; \
+} ldiv_t; \
+";
+#endif
+
 /* all stdlib.h functions */
 struct LibraryFunction StdlibFunctions[] =
 {
@@ -105,6 +147,13 @@ struct LibraryFunction StdlibFunctions[] =
     { StdlibExit,           "void exit(int);" },
     { StdlibGetenv,         "char *getenv(char *);" },
     { StdlibSystem,         "int system(char *);" },
+/*    { StdlibBsearch,        "void *bsearch(void *,void *,int,int,int (*)());" }, */
+    { StdlibAbs,            "int abs(int);" },
+    { StdlibLabs,           "int labs(int);" },
+#if 0
+    { StdlibDiv,            "div_t div(int);" },
+    { StdlibLdiv,           "ldiv_t ldiv(int);" },
+#endif
     { NULL,                 NULL }
 };