dln_find_file    977 dln.c              file = dln_find_file(lib, path);
dln_find_file    2484 file.c         	    found = dln_find_file(RSTRING(fname)->ptr, path);
dln_find_file    2560 file.c             f = dln_find_file(f, lpath);
dln_find_file    702 ruby.c         		    script = dln_find_file(argv[0], path);
dln_find_file    705 ruby.c         		    script = dln_find_file(argv[0], getenv("PATH"));