/* * Copyright (c) 1992 OMRON Corporation. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * OMRON Corporation. * * %sccs.include.redist.c% * * @(#)tape.c 8.1 (Berkeley) 06/10/93 */ /* * tape.c -- operation commands for TAPE unit. * by A.Fujita, APR-14-1992 */ #include #include dev_t rst0 = 0x0000; dev_t nrst0 = 0x0004; u_char buff[512]; int tape(argc, argv) int argc; char *argv[]; { int size, count; u_long *p = (u_long *) buff; if (!strcmp(argv[1], "read")) { count = 0; while ((size = stread(rst0, buff, 512)) == 512) count++; printf("tape: size = %d\n", size); printf("tape: count = %d\n", count); } else if (!strcmp(argv[1], "write")) { for (count = 0; count < 500; count++) { if ((size = stwrite(rst0, buff, 512)) != 512) break; } printf("tape: size = %d\n", size); printf("tape: count = %d\n", count); } else if (!strcmp(argv[1], "rewind")) { st_rewind(rst0); } else if (!strcmp(argv[1], "weof")) { st_write_EOF(rst0); } else if (!strcmp(argv[1], "skip")) { st_skip(rst0); } else { return(ST_ERROR); } return(ST_NORMAL); }