home *** CD-ROM | disk | FTP | other *** search
-
- READLINK(2) UNIX Programmer's Manual READLINK(2)
-
- NNAAMMEE
- rreeaaddlliinnkk - read value of a symbolic link
-
- SSYYNNOOPPSSIISS
- ##iinncclluuddee <<uunniissttdd..hh>>
-
- _i_n_t
- rreeaaddlliinnkk(_c_o_n_s_t _c_h_a_r _*_p_a_t_h, _c_h_a_r _*_b_u_f, _i_n_t _b_u_f_s_i_z)
-
- DDEESSCCRRIIPPTTIIOONN
- RReeaaddlliinnkk() places the contents of the symbolic link _p_a_t_h in the buffer
- _b_u_f, which has size _b_u_f_s_i_z. RReeaaddlliinnkk does not append a NUL character to
- _b_u_f.
-
- RREETTUURRNN VVAALLUUEESS
- The call returns the count of characters placed in the buffer if it suc
- ceeds, or a 1 if an error occurs, placing the error code in the global
- variable _e_r_r_n_o.
-
- EERRRROORRSS
- RReeaaddlliinnkk() will fail if:
-
- [ENOTDIR] A component of the path prefix is not a directory.
-
- [EINVAL] The pathname contains a character with the highorder bit
- set.
-
- [ENAMETOOLONG]
- A component of a pathname exceeded 255 characters, or an
- entire path name exceeded 1023 characters.
-
- [ENOENT] The named file does not exist.
-
- [EACCES] Search permission is denied for a component of the path
- prefix.
-
- [ELOOP] Too many symbolic links were encountered in translating the
- pathname.
-
- [EINVAL] The named file is not a symbolic link.
-
- [EIO] An I/O error occurred while reading from the file system.
-
- [EFAULT] _B_u_f extends outside the process's allocated address space.
-
- SSEEEE AALLSSOO
- stat(2), lstat(2), symlink(2)
-
- HHIISSTTOORRYY
- The rreeaaddlliinnkk function call appeared in 4.2BSD.
-
- 4.2 Berkeley Distribution March 10, 1991 1
-
-
-
-
-
-
-
-
-
-
-
-