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-rw-r--r--libc/inet/getnetbynm.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libc/inet/getnetbynm.c b/libc/inet/getnetbynm.c
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+++ b/libc/inet/getnetbynm.c
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+/*
+ * Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <netdb.h>
+#include <string.h>
+
+extern int _net_stayopen;
+
+struct netent *
+getnetbyname(const char *name)
+{
+ register struct netent *p;
+ register char **cp;
+
+ setnetent(_net_stayopen);
+ while ((p = getnetent())) {
+ if (strcmp(p->n_name, name) == 0)
+ break;
+ for (cp = p->n_aliases; *cp != 0; cp++)
+ if (strcmp(*cp, name) == 0)
+ goto found;
+ }
+found:
+ if (!_net_stayopen)
+ endnetent();
+ return (p);
+}