add directory bin

bin/hostname.c

@@ -0,0 +1,27 @@
+/*
+ * Set or display hostname.  Jeff Comstock - Bloomington, MN USA 1992
+ * Usage: hostname [name]
+ * Only root may change the hostname.
+*/
+#include <stdio.h>
+#include <unistd.h>
+
+main(int argc, char **argv) {
+struct utsname uts;
+
+	if ( argc == 2 ) {
+		if ( sethostname(argv[1],strlen(argv[1]))) {
+			perror("sethostname");
+			exit(1);
+		}
+	}
+	else {
+		if (uname(&uts)) {
+			perror("uname");
+			exit(1);
+		}
+		else 
+			puts(uts.nodename);
+	}
+	return(0);
+}