UNIX Network Programming Volume 1, Third Edition [Electronic resources] : The Sockets Networking API

Addison Wesley

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11.7 gai_strerror Function

The nonzero error return values from getaddrinfo have the names and meanings shown in Figure 11.7. The function gai_strerror takes one of these values as an argument and returns a pointer to the corresponding error string.

Figure 11.7. Nonzero error return constants from getaddrinfo.

#include <netdb.h>

const char *gai_strerror (int

error );

Returns: pointer to string describing error message