VOP_PATHCONF(9)

NAME

     VOP_PATHCONF -- return POSIX pathconf information

SYNOPSIS

     #include <sys/param.h>
     #include <sys/vnode.h>
     #include <sys/unistd.h>

     int
     VOP_PATHCONF(struct vnode *vp, int name, int *retval);

DESCRIPTION

     The arguments are:

     vp      the vnode to get information about

     name    the type of information to return

     retval  the place to return the information

     The value of name specifies what should be returned:

     _PC_LINK_MAX	   The maximum number of links to a file.

     _PC_NAME_MAX	   The maximum number of bytes in a file name.

     _PC_PATH_MAX	   The maximum number of bytes in a pathname.

     _PC_PIPE_BUF	   The maximum number of bytes which will be written
			   atomically to a pipe.

     _PC_CHOWN_RESTRICTED  Return 1 if appropriate privileges are required for
			   the chown(2) system call, otherwise 0.

     _PC_NO_TRUNC	   Return 1 if file names longer than KERN_NAME_MAX
			   are truncated.

RETURN VALUES

     If name is recognized, *retval is set to the specified value and zero is
     returned, otherwise EINVAL is returned.

SEE ALSO

     pathconf(2), vnode(9)

AUTHORS

     This man page was written by Doug Rabson.