Replace CArray by CPointer (#406)

Also do some cleanup.

samples/csvparser/CsvParser.kt

@@ -43,7 +43,7 @@ fun main(args: Array<String>) {
             val buffer = allocArray<CInt8Var>(bufferLength)
 
             for (i in 1..count) {
-                val nextLine = fgets(buffer[0].ptr, bufferLength, file)?.toKString()
+                val nextLine = fgets(buffer, bufferLength, file)?.toKString()
                 if (nextLine == null || nextLine.isEmpty()) break
 
                 val records = parseLine(nextLine, ',')

samples/gitchurn/src/org/konan/libgit/GitRepository.kt

@@ -22,7 +22,7 @@ class GitRepository(val location: String) {
         val size = remoteList.count.value.toInt()
         val list = ArrayList<GitRemote>(size)
         for (index in 0..size - 1) {
-            val array = remoteList.strings.value!!.reinterpret<CArray<CPointerVar<CInt8Var>>>().pointed
+            val array = remoteList.strings.value!!
             val name = array[index].value!!.toKString()
             val remotePtr = allocPointerTo<git_remote>()
             git_remote_lookup(remotePtr.ptr, handle, name).errorCheck()

samples/socket/EchoServer.kt

@@ -35,14 +35,14 @@ fun main(args: Array<String>) {
                 .ensureUnixCallResult { it >= 0 }
 
         while (true) {
-            val length = read(commFd, buffer.ptr, bufferLength)
+            val length = read(commFd, buffer, bufferLength)
                     .ensureUnixCallResult { it >= 0 }
 
             if (length == 0L) {
                 break
             }
 
-            write(commFd, buffer.ptr, length)
+            write(commFd, buffer, length)
                     .ensureUnixCallResult { it >= 0 }
         }
     }