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Command: readlink | Section: 2 | Source: MINIX | File: readlink.2
READLINK(2) System Calls Manual READLINK(2)
NAME
readlink - read the contents of a symlink
SYNOPSIS
#include <unistd.h>
int readlink(const char *path, char *buf, size_t bufsize)
DESCRIPTION
The readlink call reads the contents of the symlink name1 and returns
it in buf up to a maximum of bufsize bytes. A terminating NUL byte is
NOT put in the buffer.
RETURN VALUE
Upon successful completion, a value of 0 is returned. Otherwise, a
value of -1 is returned and errno is set to indicate the error.
ERRORS
Readlink will fail if one or more of the following are true:
[ENOTDIR] A component of either path prefix is not a directory.
[EINVAL] The path does not resolve to a symbolic link.
[ENAMETOOLONG] A path name exceeds PATH_MAX characters.
[ENOENT] A component of the path does not exist.
[EACCES] A component of the path denies search permission.
[ELOOP] Too many symbolic links were encountered in translating
one of the pathnames.
[ENOENT] The link named by path does not exist.
[EFAULT] The buffer specified is outside the process's allocated
address space.
SEE ALSO
symlink(2), unlink(2).
4th Berkeley Distribution March 17, 2006 READLINK(2)