netdb.h

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#ifndef _NETDB_H_
#define _NETDB_H_
 
#include <sys/types.h>
#include <stdint.h>
#include <netinet/in.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct addrinfo
{
    int ai_flags;             
    int ai_family;            
    int ai_socktype;          
    int ai_protocol;          
    socklen_t ai_addrlen;     
    struct sockaddr *ai_addr; 
    char *ai_canonname;       
    struct addrinfo *ai_next; 
};
 
const char *gai_strerror (int __ecode);
 
void freeaddrinfo(struct addrinfo *ai);
 
int getaddrinfo(const char *nodename, const char *servname,
                const struct addrinfo *hints,
                struct addrinfo **res);
 
# define EAI_AGAIN    -3    
# define EAI_FAIL     -4    
# define EAI_MEMORY   -10   
#ifdef __cplusplus
}
#endif
 
#endif /* _NETDB_H_ */