diff --git a/C/src/xplaneConnect.c b/C/src/xplaneConnect.c
index 77a8426..e201a75 100755
--- a/C/src/xplaneConnect.c
+++ b/C/src/xplaneConnect.c
@@ -313,8 +313,9 @@ int sendDATA(XPCSocket sock, float data[][9], int rows)
 	// 5 byte header + 134 rows * 9 values * 4 bytes per value => 4829 byte max length.
 	char buffer[4829] = "DATA"; 
 	int len = 5 + rows * 9 * sizeof(float);
-	unsigned short step = 9 * sizeof(float);	
-	for (int i=0;i<rows;i++)
+	unsigned short step = 9 * sizeof(float);
+    int i; // iterator
+	for (i = 0; i < rows; i++)
 	{
 		buffer[5 + i * step] = (char)data[i][0];
 		memcpy(&buffer[9 + i*step], &data[i][1], 8 * sizeof(float));
@@ -362,7 +363,8 @@ int readDATA(XPCSocket sock, float data[][9], int rows)
 	}
 
 	// Parse data
-	for (int i = 0; i < rows; ++i)
+    int i; // iterator
+	for (i = 0; i < rows; ++i)
 	{
 		data[i][0] = buffer[5 + i * 36];
 		memcpy(&data[i][1], &buffer[9 + i * 36], 8 * sizeof(float));
@@ -387,7 +389,8 @@ int sendDREFs(XPCSocket sock, const char* drefs[], float* values[], int sizes[],
 	// Max size is technically unlimited.
 	unsigned char buffer[65536] = "DREF";
 	int pos = 5;
-	for (int i = 0; i < count; ++i)
+    int i; // Iterator
+	for (i = 0; i < count; ++i)
 	{
 		int drefLen = strnlen(drefs[i], 256);
 		if (pos + drefLen + sizes[i] * 4 + 2 > 65536)
@@ -433,7 +436,8 @@ int sendDREFRequest(XPCSocket sock, const char* drefs[], unsigned char count)
 	unsigned char buffer[65536] = "GETD";
 	buffer[5] = count;
 	int len = 6;
-	for (int i = 0; i < count; ++i)
+    int i; // iterator
+	for (i = 0; i < count; ++i)
 	{
 		size_t drefLen = strnlen(drefs[i], 256);
 		if (drefLen > 255)
@@ -481,7 +485,8 @@ int getDREFResponse(XPCSocket sock, float* values[], unsigned char count, int si
 	}
 
 	int cur = 6;
-	for (int i = 0; i < count; ++i)
+    int i; // Iterator
+	for (i = 0; i < count; ++i)
 	{
 		int l = buffer[cur++];
 		if (l > sizes[i])
@@ -582,7 +587,8 @@ int sendPOSI(XPCSocket sock, float values[], int size, char ac)
 	// 5 byte header + up to 7 values * 5 bytes each
 	unsigned char buffer[40] = "POSI";
 	buffer[5] = ac;
-	for (int i = 0; i < 7; i++)
+    int i; // iterator
+	for (i = 0; i < 7; i++)
 	{
 		float val = -998;
 
@@ -661,7 +667,8 @@ int sendCTRL(XPCSocket sock, float values[], int size, char ac)
 	// 5 byte header + 5 float values * 4 + 2 byte values
 	unsigned char buffer[31] = "CTRL";
 	int cur = 5;
-	for (int i = 0; i < 6; i++)
+    int i; // iterator
+	for (i = 0; i < 6; i++)
 	{
 		float val = -998;