Match MSL_C (#8)

* match wstring.c

* match math_api.c, mbstring.c, mem.c and mem_funcs.c

* more progress

* build issues

* fix non-matching issues

* reorganise files

* match fdlibm (+ libc progress)

* fix jp build

* solved some non-matchings and progress

* removed types.h usage in libc

* match data and add missing delinks for jp

libs/c/include/secure_error.h

@@ -0,0 +1,16 @@
+#ifndef _C_SECURE_ERROR_H
+#define _C_SECURE_ERROR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*msl_constraint_handler)(int, int, int);
+
+void __msl_runtime_constraint_violation_s(int param1, int param2, int param3);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif