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28 .\" @(#)readlink.2 8.1 (Berkeley) 6/4/93
37 .Nd read value of a symbolic link
43 .Fn readlink "const char *restrict path" "char *restrict buf" "size_t bufsiz"
46 .Fa "int fd" "const char *restrict path" "char *restrict buf" "size_t bufsize"
52 places the contents of the symbolic link
60 system call does not append a
67 system call is equivalent to
69 except in the case where
71 specifies a relative path.
72 In this case the symbolic link whose content is read relative to the
73 directory associated with the file descriptor
75 instead of the current working directory.
78 is passed the special value
82 parameter, the current working directory is used and the behavior is
83 identical to a call to
86 The call returns the count of characters placed in the buffer
87 if it succeeds, or a \-1 if an error occurs, placing the error
88 code in the global variable
97 A component of the path prefix is not a directory.
98 .It Bq Er ENAMETOOLONG
99 A component of a pathname exceeded 255 characters,
100 or an entire path name exceeded 1023 characters.
102 The named file does not exist.
104 Search permission is denied for a component of the path prefix.
106 Too many symbolic links were encountered in translating the pathname.
108 The named file is not a symbolic link.
110 An I/O error occurred while reading from the file system.
115 extends outside the process's allocated address space.
118 In addition to the errors returned by the
127 argument does not specify an absolute path and the
131 nor a valid file descriptor open for searching.
135 argument is not an absolute path and
139 nor a file descriptor associated with a directory.
149 system call follows The Open Group Extended API Set 2 specification.
153 system call appeared in
157 system call appeared in