Mcat	cat.c	/^main(argc, argv)$/
cook_args	cat.c	/^cook_args(argv)$/
cook_buf	cat.c	/^cook_buf(fp)$/
err	cat.c	/^err(ex, fmt, va_alist)$/
raw_args	cat.c	/^raw_args(argv)$/
raw_cat	cat.c	/^raw_cat(rfd)$/