VMS Help  —  CRTL  pwrite
    Writes into a given position within a file without changing the
    file pointer.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <unistd.h>

      ssize_t pwrite  (int file_desc, const void *buffer, size_t
                      nbytes, off_t offset);
Additional Information: explode extract
Arguments Description Return Values
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