|  | /* | 
|  | * This file is part of the UCB release of Plan 9. It is subject to the license | 
|  | * terms in the LICENSE file found in the top-level directory of this | 
|  | * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No | 
|  | * part of the UCB release of Plan 9, including this file, may be copied, | 
|  | * modified, propagated, or distributed except according to the terms contained | 
|  | * in the LICENSE file. | 
|  | */ | 
|  | /* posix */ | 
|  | #include <sys/types.h> | 
|  | #include <unistd.h> | 
|  |  | 
|  | /* bsd extensions */ | 
|  | #include <sys/uio.h> | 
|  | #include <sys/socket.h> | 
|  | #include <netinet/in.h> | 
|  | #include <netdb.h> | 
|  | #include <arpa/inet.h> | 
|  |  | 
|  | #include <sys/plan9_helpers.h> | 
|  |  | 
|  | struct hostent *gethostbyaddr(const void *addr, socklen_t len, int type) | 
|  | { | 
|  | unsigned long a, y; | 
|  | struct in_addr x; | 
|  | __const unsigned char *p = addr; | 
|  |  | 
|  | if (type != AF_INET || len != 4) { | 
|  | h_errno = NO_RECOVERY; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | y = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; | 
|  | x.s_addr = htonl(y); | 
|  |  | 
|  | return gethostbyname(inet_ntoa(x)); | 
|  | } |