Initial commit

kapitel17/pipes-ex1.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#define MAX 7
+
+int main(void)
+{
+    int pipefd[2];
+    pid_t pid;
+    char line[MAX];
+
+    pipe(pipefd);
+    pid = fork();
+
+    if (pid > 0)
+    {
+        close(pipefd[0]);
+        write(pipefd[1], "Hejsan", MAX);
+    }
+    else
+    {
+        close(pipefd[1]);
+        read(pipefd[0], line, MAX);
+        printf("%s\n", line);
+    }
+    return 0;
+}