NAME source_file_name - return source filename of an object SYNOPSIS varargs string source_file_name(mixed ob) DESCRIPTION Returns the source filename of ob. The first argument is optional and defaults to this_object(). It may be a string or an object. Any ".c" at the end will be removed if config.h defines DEFAULT_SRC_EXTENSION. SEE ALSO efun/file_name, efun/directory_name, efun/base_name