diff options
Diffstat (limited to 'libc/inet/getnetbynm.c')
-rw-r--r-- | libc/inet/getnetbynm.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libc/inet/getnetbynm.c b/libc/inet/getnetbynm.c new file mode 100644 index 000000000..8d60964b0 --- /dev/null +++ b/libc/inet/getnetbynm.c @@ -0,0 +1,41 @@ +/* + * 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); +} |