1 files changed, 53 insertions, 0 deletions
diff --git a/otherlibs/unix/getproto.c b/otherlibs/unix/getproto.c
new file mode 100644
index 000000000..56ea69913
--- /dev/null
+++ b/otherlibs/unix/getproto.c
@@ -0,0 +1,53 @@
+#include <mlvalues.h>
+#include <alloc.h>
+#include <memory.h>
+#include <fail.h>
+#include "unix.h"
+
+#ifdef HAS_SOCKETS
+
+#include <netdb.h>
+
+static value alloc_proto_entry(entry)
+     struct protoent * entry;
+{
+  value res;
+  Push_roots(r, 2);
+
+  r[0] = copy_string(entry->p_name);
+  r[1] = copy_string_array(entry->p_aliases);
+  res = alloc_tuple(3);
+  Field(res,0) = r[0];
+  Field(res,1) = r[1];
+  Field(res,2) = Val_int(entry->p_proto);
+  Pop_roots();
+  return res;
+}
+
+value unix_getprotobyname(name)  /* ML */
+     value name;
+{
+  struct protoent * entry;
+  entry = getprotobyname(String_val(name));
+  if (entry == (struct protoent *) NULL) mlraise(Atom(NOT_FOUND_EXN));
+  return alloc_proto_entry(entry);
+}
+
+value unix_getprotobynumber(proto) /* ML */
+     value proto;
+{
+  struct protoent * entry;
+  entry = getprotobynumber(Int_val(proto));
+  if (entry == (struct protoent *) NULL) mlraise(Atom(NOT_FOUND_EXN));
+  return alloc_proto_entry(entry);
+}
+
+#else
+
+value unix_getprotobynumber()
+{ invalid_argument("getprotobynumber not implemented"); }
+  
+value unix_getprotobyname()
+{ invalid_argument("getprotobyname not implemented"); }
+
+#endif