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Add gethostbyname and gethostbyaddr (#200)

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gethostbyname, gethostbyaddr follow simple implementations: they
internally call getaddrinfo and getnameinfo respectively, and fill out
the minimum details. remaining functions are stubs.
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Gautham 2021-07-01 20:25:11 +05:30 • committed by GitHub
parent 014d4bdab2
commit 3fe7b95fd0
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5 changed files with 241 additions and 0 deletions
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27
libc/dns/ent.h Normal file
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#ifndef COSMOPOLITAN_LIBC_DNS_ENT_H_
#define COSMOPOLITAN_LIBC_DNS_ENT_H_
#include "libc/dns/dns.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
extern int h_errno;
struct hostent {
char *h_name; /* official name of host */
char **h_aliases; /* alias list */
int h_addrtype; /* host address type */
int h_length; /* length of address */
char **h_addr_list; /* list of addresses */
};
#define h_addr h_addr_list[0]
struct hostent *gethostent(void);
struct hostent *gethostbyname(const char *);
struct hostent *gethostbyaddr(const void *, socklen_t, int);
void sethostent(int);
void endhostent(void);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_DNS_ENT_H_ */