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GAI_STRERROR(3) FreeBSD Library Functions Manual GAI_STRERROR(3) NAME gai_strerror - get error message string from EAI_xxx error code SYNOPSIS #include <sys/types.h> #include <sys/socket.h> #include <netdb.h> const char * gai_strerror(int ecode); DESCRIPTION The gai_strerror() function returns an error message string corresponding to the error code returned by getaddrinfo(3) or getnameinfo(3). The following error codes and their meaning are defined in <netdb.h>: EAI_ADDRFAMILY address family for name not supported EAI_AGAIN temporary failure in name resolution EAI_BADFLAGS invalid value for ai_flags EAI_BADHINTS invalid value for hints EAI_FAIL non-recoverable failure in name resolution EAI_FAMILY ai_family not supported EAI_MEMORY memory allocation failure EAI_NODATA no address associated with name EAI_NONAME name or service not provided, or not known EAI_OVERFLOW argument buffer overflow EAI_PROTOCOL resolved protocol is unknown EAI_SERVICE service not supported for ai_socktype EAI_SOCKTYPE ai_socktype not supported EAI_SYSTEM system error (returned in errno) RETURN VALUES gai_strerror() returns a pointer to the error message string corresponding to ecode. If ecode is out of range, an implementation- specific error message string is returned. SEE ALSO getaddrinfo(3), getnameinfo(3) FreeBSD 14.1-RELEASE-p8 May 3, 2017 FreeBSD 14.1-RELEASE-p8