c-daemon-1

c-daemon/daemon.c

@@ -0,0 +1,24 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <linux/fs.h>
+#include <linux/limits.h>
+
+int _daemon(int nochdir, int noclose){
+  pid_t pid; 
+  // pid_t defined in sys/types.h
+  // pid_t is a signed int data type
+
+  pid = fork(); // fork of the parent process 
+  // fork() function defined in unistd.h
+  if (pid < 0){
+    exit(EXIT_FAILURE); // exit and  EXIT_FAILURE defined in stdlib.h
+  }
+  else if (pid > 0){
+    exit(EXIT_FAILURE);
+  } 
+  return 0;
+}

c-daemon/test.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+int _daemon (int, int);
+
+int main(){
+  getchar();
+  _daemon(0, 0);
+  getchar();
+  return 0;
+}