GAI_STRERROR(3) Library Functions Manual GAI_STRERROR(3)

gai_strerror — address and name information error description

#include <netdb.h>

const char *gai_strerror(int ecode);

The gai_strerror () function shall return a text string describing an error value for the getaddrinfo(3) and getnameinfo(3) functions listed in the <netdb.h> header.

When the argument is one of the following values listed in the <netdb.h> header:

[EAI_AGAIN]
[EAI_BADFLAGS]
[EAI_FAIL]
[EAI_FAMILY]
[EAI_MEMORY]
[EAI_NONAME]
[EAI_OVERFLOW]
[EAI_SERVICE]
[EAI_SOCKTYPE]
[EAI_SYSTEM]

the function return value shall point to a string describing the error. If the argument is not one of those values, the function shall return a pointer to a string whose contents indicate an unknown error.

Upon successful completion, gai_strerror () shall return a pointer to an implementation-defined string.

No errors are defined.

None.

None.

None.

None.

getaddrinfo(3), the Base Definitions volume of IEEE Std 1003.1-2001 (“POSIX.1”), <netdb.h>

First released in Issue 6. Derived from the XNS, Issue 5.2 specification.

The Open Group Base Resolution bwg2001-009 is applied, which changes the return type from to . This is for coordination with the IPnG Working Group.

IEEE Std 1003.1-2001 (“POSIX.1”)/Cor 1-2002, item XSH/TC1/D6/22 is applied, adding the [EAI_OVERFLOW] error code.

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January 1, 2004 posix.fail