lc_str
union lc_str path; /* path to add to run path */
union lc_str name; /* files pathname */
union lc_str name; /* library's target pathname */
union lc_str name; /* library's path name */
union lc_str umbrella; /* the umbrella framework name */
union lc_str client; /* the client name */
union lc_str sub_umbrella; /* the sub_umbrella framework name */
union lc_str sub_library; /* the sub_library name */
union lc_str name; /* library's path name */
union lc_str linked_modules; /* bit vector of linked modules */
union lc_str name; /* dynamic linker's path name */