47 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 1983 Regents of the University of California.
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms are permitted
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|  * provided that: (1) source distributions retain this entire copyright
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|  * notice and comment, and (2) distributions including binaries display
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|  * the following acknowledgement:  ``This product includes software
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|  * developed by the University of California, Berkeley and its contributors''
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|  * in the documentation or other materials provided with the distribution
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|  * and in all advertising materials mentioning features or use of this
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|  * software. Neither the name of the University nor the names of its
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|  * contributors may be used to endorse or promote products derived
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|  * from this software without specific prior written permission.
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|  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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|  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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|  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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|  */
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| 
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| #if defined(LIBC_SCCS) && !defined(lint)
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| static char sccsid[] = "@(#)getproto.c	5.6 (Berkeley) 6/1/90";
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| #endif /* LIBC_SCCS and not lint */
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| 
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| #include <stddef.h>
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| 
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| #ifdef _MINIX
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| #include <ansi.h>
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| #include <net/gen/netdb.h>
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| #endif
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| 
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| extern int _proto_stayopen;
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| 
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| struct protoent *
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| getprotobynumber(proto)
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| 	register int proto;
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| {
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| 	register struct protoent *p;
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| 
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| 	setprotoent(_proto_stayopen);
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| 	while (p = getprotoent())
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| 		if (p->p_proto == proto)
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| 			break;
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| 	if (!_proto_stayopen)
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| 		endprotoent();
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| 	return (p);
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| }
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