diff --git a/fpconv.h b/fpconv.h
index 01249088..7d8a347c 100644
--- a/fpconv.h
+++ b/fpconv.h
@@ -5,6 +5,10 @@
  * Longest double printed with %.14g is 21 characters long:
  * -1.7976931348623e+308 */
 # define FPCONV_G_FMT_BUFSIZE   32
+#ifdef _WIN32
+#define inline __inline
+#define snprintf _snprintf
+#endif
 
 #ifdef USE_INTERNAL_FPCONV
 static inline void fpconv_init()
diff --git a/lua_cjson.c b/lua_cjson.c
index c14a1c5c..fdb90d20 100644
--- a/lua_cjson.c
+++ b/lua_cjson.c
@@ -74,6 +74,10 @@
 #define DEFAULT_DECODE_INVALID_NUMBERS 0
 #endif
 
+#ifdef _WIN32
+#define strncasecmp _strnicmp
+#endif
+
 typedef enum {
     T_OBJ_BEGIN,
     T_OBJ_END,
diff --git a/strbuf.h b/strbuf.h
index d861108c..17675821 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -24,6 +24,9 @@
 
 #include <stdlib.h>
 #include <stdarg.h>
+#ifdef _WIN32
+#define inline __inline
+#endif
 
 /* Size: Total bytes allocated to *buf
  * Length: String length, excluding optional NULL terminator.