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void tapefd_resetofs(tapefd) Uses lseek() tricks to reset the write/read offset counter on a virtual tape device.

int tapefd_rewind(tapefd) Reads a block from a (possibly virtual) device.int tapefd_read(tapefd, buffer, count) Reads a block from the (possibly virtual) device.int tapefd_fsf(tapefd, count) Forward skips the (possibly virtual) device.int tapefd_close(tapefd) Acts like close(2) on possibly virtual devices.int tape_stat(filename, buf) Acts like stat(2) on possibly virtual devices.int tape_open(filename, mode) Acts like open(2) on possibly virtual devices.int tape_access(filename, mode) Acts like access(2) on possibly virtual devices.The upper level AMANDA code (including some of the other tape_xxx routines) calls the following routines which implement a virtual tape table: