From 7e0f021a9aec35fd8e6725e87e3313b101d26f5e Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Sun, 27 Jan 2008 11:37:44 +0100
Subject: Initial import (2.0.2-6)

---
 reference/C/EXAMPLES/pipe2.c | 103 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 reference/C/EXAMPLES/pipe2.c

(limited to 'reference/C/EXAMPLES/pipe2.c')

diff --git a/reference/C/EXAMPLES/pipe2.c b/reference/C/EXAMPLES/pipe2.c
new file mode 100644
index 0000000..726c5e1
--- /dev/null
+++ b/reference/C/EXAMPLES/pipe2.c
@@ -0,0 +1,103 @@
+/****************************************************************
+ *
+ * Purpose: Basic example of pipe. 
+ *          Read and write variable length records across a pipe.
+ *
+ * Author:  M J Leslie
+ *
+ * Date:    17 Apr 96
+ *
+ ****************************************************************/
+
+#include <sys/types.h>
+#include <unistd.h>			/* pipe.			*/
+#include <signal.h>
+
+void Child  (pid_t Handle);
+void Parent (pid_t Handle);
+
+main()
+{
+
+  pid_t		Pid;
+  int 		fd[2];
+
+  pipe(fd);				/* Create two file descriptors  */
+
+  Pid = fork();
+
+  if ( Pid == 0)			/* Child                        */
+  {
+    close(fd[0]);
+    Child(fd[1]);
+    puts("Child end");
+  }
+  else					/* Parent			*/
+  {
+    close(fd[1]);
+    Parent(fd[0]);
+    puts("Parent end");
+  }
+}
+
+/****************************************************************
+ *
+ *	The Child sends data to the parent.
+ *
+ ****************************************************************/
+
+void Child(pid_t Handle)
+{
+  int Len;
+
+  char Buff[50]="Bass Beer";
+
+  Len = strlen(Buff)+1;
+  write(Handle, &Len, sizeof(Len));
+  write(Handle, Buff, Len);
+
+  strcpy(Buff, "Wild times.");
+  Len = strlen(Buff)+1;
+  write(Handle, &Len, sizeof(Len));
+  write(Handle, Buff, Len);
+
+  strcpy(Buff, "Alex was ere.");
+  Len = strlen(Buff)+1;
+  write(Handle, &Len, sizeof(Len));
+  write(Handle, Buff, Len);
+
+  strcpy(Buff, "Bon Jovi rules the world.");
+  Len = strlen(Buff)+1;
+  write(Handle, &Len, sizeof(Len));
+  write(Handle, Buff, Len);  
+  
+  close(Handle);
+}
+
+/****************************************************************
+ *
+ *	Read the data sent by the child.
+ *
+ ****************************************************************/
+
+void Parent(pid_t Handle)
+{
+
+  int		Len;
+  char 		Buff[50];
+
+  /* ...	Perform two reads. THe first gets the length of the data
+     ...	the second gets the actual data.			*/
+
+  while (read(Handle, &Len, sizeof(Len)) > 0)
+  {
+    read(Handle,Buff, Len);
+    printf("%s\n", Buff);
+  }
+      
+}
+
+
+
+
+
-- 
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