IEEE 1003.1-2003, Single Unix Specification v3
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gethostname The Open Group Base Specifications Issue 6 IEEE Std 1003.1, 2003 Edition Copyright © 2001-2003 The IEEE and The Open Group, All Rights reserved. NAME gethostname - get name of current host SYNOPSIS #include <unistd.h> int gethostname(char *name, size_t namelen); DESCRIPTION The gethostname() function shall return the standard host name for the current machine. The namelen argument shall specify the size of the array pointed to by the name argument. The returned name shall be null-terminated, except that if namelen is an insufficient length to hold the host name, then the returned name shall be truncated and it is unspecified whether the returned name is null-terminated. Host names are limited to {HOST_NAME_MAX} bytes. RETURN VALUE Upon successful completion, 0 shall be returned; otherwise, -1 shall be returned. ERRORS No errors are defined. The following sections are informative. EXAMPLES None. APPLICATION USAGE None. RATIONALE None. FUTURE DIRECTIONS None. SEE ALSO gethostid() , uname() , the Base Definitions volume of IEEE Std 1003.1-2001, <unistd.h> CHANGE HISTORY First released in Issue 6. Derived from the XNS, Issue 5.2 specification. The Open Group Base Resolution bwg2001-008 is applied, changing the namelen parameter from socklen_t to size_t. End of informative text. UNIX ® is a registered Trademark of The Open Group. POSIX ® is a registered Trademark of The IEEE. [ Main Index | XBD | "../utilities/contents.html">XCU | XSH | XRAT ]