cosmopolitan/libc/dns/dns.h

41 lines
1.2 KiB
C

#ifndef COSMOPOLITAN_LIBC_DNS_DNS_H_
#define COSMOPOLITAN_LIBC_DNS_DNS_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define DNS_PORT 53
#define DNS_NAME_MAX 253
#define DNS_LABEL_MAX 63
struct sockaddr;
struct sockaddr_in;
struct ResolvConf;
struct addrinfo {
int32_t ai_flags; /* AI_XXX */
int32_t ai_family; /* AF_INET */
int32_t ai_socktype; /* SOCK_XXX */
int32_t ai_protocol; /* IPPROTO_XXX */
uint32_t ai_addrlen;
union {
struct sockaddr *ai_addr;
struct sockaddr_in *ai_addr4;
};
char *ai_canonname /*[DNS_NAME_MAX + 1]*/;
struct addrinfo *ai_next;
};
int getaddrinfo(const char *, const char *, const struct addrinfo *,
struct addrinfo **) paramsnonnull((4));
int freeaddrinfo(struct addrinfo *);
const char *eai2str(int);
int dnsnamecmp(const char *, const char *) paramsnonnull();
int pascalifydnsname(uint8_t *, size_t, const char *) paramsnonnull();
int resolvedns(const struct ResolvConf *, int, const char *, struct sockaddr *,
uint32_t) paramsnonnull();
struct addrinfo *newaddrinfo(uint16_t);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_DNS_DNS_H_ */