+/*
+ * Simple Named Pipe Client
+ * (C) 2005 Jelmer Vernooij <jelmer@samba.org>
+ * Published to the public domain
+ */
+
+#include <windows.h>
+#include <stdio.h>
+
+#define ECHODATA "Black Dog"
+
+int main(int argc, char *argv[])
+{
+ HANDLE h;
+ DWORD numread = 0;
+ char outbuffer[512];
+
+ if (argc == 1) {
+ printf("Usage: %s pipename\n", argv[0]);
+ printf(" Where pipename is something like \\\\servername\\NPECHO\n");
+ return -1;
+ }
+
+ h = CreateFile(argv[1], GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
+ if (h == INVALID_HANDLE_VALUE) {
+ printf("Error opening: %d\n", GetLastError());
+ return -1;
+ }
+
+ if (!WriteFile(h, ECHODATA, strlen(ECHODATA), NULL, NULL)) {
+ printf("Error writing: %d\n", GetLastError());
+ return -1;
+ }
+
+ if (!ReadFile(h, outbuffer, strlen(ECHODATA), NULL, NULL)) {
+ printf("Error reading: %d\n", GetLastError());
+ return -1;
+ }
+
+ printf("Read: %s\n", outbuffer);
+
+ if (!TransactNamedPipe(h, ECHODATA, strlen(ECHODATA), outbuffer, strlen(ECHODATA), &numread, NULL)) {
+ printf("TransactNamedPipe failed: %d!\n", GetLastError());
+ return -1;
+ }
+
+ printf("Result: %s\n", outbuffer);
+
+ return 0;
+}