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readlink

SYNOPSIS

int readlink(const char *path, char *buf, size_t bufsiz);

PARAMETERS

path: [in] points to the symlink to read.

buf: [out] points to the buffer where to put the information.

bufsiz: [in] the maximum size of the buffer.

DESCRIPTION

Reads the content of a symlink.

RETURN VALUE

On success, returns the number of bytes read. On error, returns -1 and sets errno to one of the following value:

• EINVAL: the path contains a character outside the [0,127] range or the file is not a symlink.
• ENOTDIR, ENAMETOOLONG, ENOENT, EACCESS, ELOOP, EIO or EFAULT.

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