diff --git a/emu/logging.c b/emu/logging.c
index 31ac2ee9..5cccd73c 100644
--- a/emu/logging.c
+++ b/emu/logging.c
@@ -4,7 +4,7 @@
 #include "../stdtype.h"
 #include "logging.h"
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 #define vsnprintf	_vsnprintf
 #endif
 
@@ -21,10 +21,10 @@ void emu_logf(DEV_LOGGER* logger, UINT8 level, const char* format, ...)
 		return;
 	
 	va_start(arg_list, format);
-	retVal = _vsnprintf(buffer, LOGBUF_SIZE, format, arg_list);
+	retVal = vsnprintf(buffer, LOGBUF_SIZE, format, arg_list);
 	va_end(arg_list);
 	if (retVal < 0 || retVal >= LOGBUF_SIZE)
-		buffer[LOGBUF_SIZE - 1] = '\0';	// for older MSVC version and glibc <= 2.0.6
+		buffer[LOGBUF_SIZE - 1] = '\0';	// required for older MSVC versions
 	
 	logger->func(logger->param, logger->source, level, buffer);
 	return;
diff --git a/player/droplayer.cpp b/player/droplayer.cpp
index 0ccae3bf..008652f8 100644
--- a/player/droplayer.cpp
+++ b/player/droplayer.cpp
@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>	// for snprintf()
 #include <vector>
 #include <algorithm>
 
@@ -15,6 +16,11 @@
 #include "helper.h"
 #include "../emu/logging.h"
 
+#ifdef _MSC_VER
+#define snprintf	_snprintf
+#endif
+
+
 enum DRO_HWTYPES
 {
 	DROHW_OPL2 = 0,
diff --git a/player/droplayer.hpp b/player/droplayer.hpp
index 46f37a93..5e90bf11 100644
--- a/player/droplayer.hpp
+++ b/player/droplayer.hpp
@@ -9,6 +9,7 @@
 #include "../utils/DataLoader.h"
 #include "../emu/logging.h"
 #include <vector>
+#include <string>
 
 
 #define FCC_DRO 	0x44524F00
diff --git a/player/gymplayer.cpp b/player/gymplayer.cpp
index 2e8aafbc..97101fe6 100644
--- a/player/gymplayer.cpp
+++ b/player/gymplayer.cpp
@@ -18,6 +18,7 @@
 #include "helper.h"
 #include "../emu/logging.h"
 
+
 INLINE UINT32 ReadLE32(const UINT8* data)
 {
 	return	(data[0x03] << 24) | (data[0x02] << 16) |
diff --git a/player/s98player.cpp b/player/s98player.cpp
index bf673490..e845d0c3 100644
--- a/player/s98player.cpp
+++ b/player/s98player.cpp
@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>	// for snprintf()
 #include <ctype.h>
 #include <vector>
 #include <string>
@@ -20,6 +21,11 @@
 #include "helper.h"
 #include "../emu/logging.h"
 
+#ifdef _MSC_VER
+#define snprintf	_snprintf
+#endif
+
+
 enum S98_DEVTYPES
 {
 	S98DEV_NONE = 0,	// S98 v2 End-Of-Device marker
diff --git a/player/vgmplayer.cpp b/player/vgmplayer.cpp
index f30c87fc..2b38dd59 100644
--- a/player/vgmplayer.cpp
+++ b/player/vgmplayer.cpp
@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>	// for snprintf()
 #include <math.h>	// for pow()
 #include <vector>
 #include <string>