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1996-09-02
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SYMLINK(2) UNIX Programmer's Manual SYMLINK(2)
NNAAMMEE
ssyymmlliinnkk - make symbolic link to a file
SSYYNNOOPPSSIISS
##iinncclluuddee <<uunniissttdd..hh>>
_i_n_t
ssyymmlliinnkk(_c_o_n_s_t _c_h_a_r _*_n_a_m_e_1, _c_o_n_s_t _c_h_a_r _*_n_a_m_e_2)
DDEESSCCRRIIPPTTIIOONN
A symbolic link _n_a_m_e_2 is created to _n_a_m_e_1 (_n_a_m_e_2 is the name of the file
created, _n_a_m_e_1 is the string used in creating the symbolic link). Either
name may be an arbitrary path name; the files need not be on the same
file system.
RREETTUURRNN VVAALLUUEESS
Upon successful completion, a zero value is returned. If an error oc-
curs, the error code is stored in _e_r_r_n_o and a -1 value is returned.
EERRRROORRSS
The symbolic link succeeds unless:
[ENOTDIR] A component of the _n_a_m_e_2 prefix is not a directory.
[ENAMETOOLONG]
A component of a pathname exceeded {NAME_MAX} characters,
or an entire path name exceeded {PATH_MAX} characters.
[ENOENT] The named file does not exist.
[EACCES] A component of the _n_a_m_e_2 path prefix denies search permis-
sion.
[ELOOP] Too many symbolic links were encountered in translating the
pathname.
[EEXIST] _N_a_m_e_2 already exists.
[EIO] An I/O error occurred while making the directory entry for
_n_a_m_e_2, or allocating the inode for _n_a_m_e_2, or writing out
the link contents of _n_a_m_e_2.
[EROFS] The file _n_a_m_e_2 would reside on a read-only file system.
[ENOSPC] The directory in which the entry for the new symbolic link
is being placed cannot be extended because there is no
space left on the file system containing the directory.
[ENOSPC] The new symbolic link cannot be created because there there
is no space left on the file system that will contain the
symbolic link.
[ENOSPC] There are no free inodes on the file system on which the
symbolic link is being created.
[EDQUOT] The directory in which the entry for the new symbolic link
is being placed cannot be extended because the user's quota
of disk blocks on the file system containing the directory
has been exhausted.
[EDQUOT] The new symbolic link cannot be created because the user's
quota of disk blocks on the file system that will contain
the symbolic link has been exhausted.
[EDQUOT] The user's quota of inodes on the file system on which the
symbolic link is being created has been exhausted.
[EIO] An I/O error occurred while making the directory entry or
allocating the inode.
[EFAULT] _N_a_m_e_1 or _n_a_m_e_2 points outside the process's allocated ad-
dress space.
SSEEEE AALLSSOO
link(2), ln(1), unlink(2)
HHIISSTTOORRYY
The ssyymmlliinnkk() function call appeared in 4.2BSD.
4.2 Berkeley Distribution June 4, 1993 2