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/pipe1.c | 93 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 reference/C/EXAMPLES/pipe1.c

(limited to 'reference/C/EXAMPLES/pipe1.c')

diff --git a/reference/C/EXAMPLES/pipe1.c b/reference/C/EXAMPLES/pipe1.c
new file mode 100644
index 0000000..7ddd1bf
--- /dev/null
+++ b/reference/C/EXAMPLES/pipe1.c
@@ -0,0 +1,93 @@
+/****************************************************************
+ *
+ * Purpose: Basic example of pipe. 
+ *          Read and write fixed length records across a pipe.
+ *          This is about a simple as they come...
+ *
+ * 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)
+{
+  char Buff[]="Martin 1 abcdefghijklmnop ";
+
+  write(Handle, Buff, strlen(Buff)+1);
+
+  Buff[7] = '2';
+  write(Handle, Buff, strlen(Buff)+1);
+
+  Buff[7] = '3';
+  write(Handle, Buff, strlen(Buff)+1);
+
+  Buff[7] = '4';
+  write(Handle, Buff, strlen(Buff)+1);  
+  
+  close(Handle);
+}
+
+/****************************************************************
+ *
+ *      Read the data sent by the child.
+ *
+ ****************************************************************/
+
+
+void Parent(pid_t Handle)
+{
+
+  char Buff[50];
+
+  /* ...	Read EXACTLY the number of bytes sent. 
+     ...	0 is returned when the pipe is closed by the child. */
+
+  while (read(Handle,Buff, 27) > 0)
+  {
+    printf("%s\n", Buff);
+  }
+      
+}
+
+
+
+
+
-- 
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