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Annotation of researchv10dc/dist/man/v3/man2/seek.2, revision 1.1.1.1

1.1       root        1: .pa 1
                      2: .he 'SEEK (II)'3/15/72'SEEK (II)'
                      3: .ti 0
                      4: NAME           seek  --  move read/write pointer
                      5: .sp
                      6: .ti 0
                      7: SYNOPSIS       (file descriptor in r0)
                      8: .br
                      9: sys seek; offset; ptrname  / seek = 19.
                     10: .a
                     11: .sp
                     12: .ti 0
                     13: DESCRIPTION    The file
                     14: descriptor refers to a file open for reading or writing.
                     15: The read (resp. write) pointer for the file is set as follows:
                     16: .in +3
                     17: .sp
                     18: if ptrname_______ is 0, the pointer is set to offset______.
                     19: .sp
                     20: if ptrname_______
                     21: is 1, the pointer is set to its current location plus offset______.
                     22: .sp
                     23: if ptrname_______ is 2, the pointer is set to the size of the
                     24: file plus offset______.
                     25: .sp
                     26: .in -3
                     27: .sp
                     28: .ti 0
                     29: SEE ALSO       --
                     30: .sp
                     31: .ti 0
                     32: DIAGNOSTICS    The error bit
                     33: (c-bit) is set for an undefined file descriptor.
                     34: .sp
                     35: .ti 0
                     36: BUGS           A file
                     37: can conceptually be as large
                     38: as 2**20 bytes.
                     39: Clearly only 2**16 bytes can be addressed by
                     40: seek____.
                     41: The problem is most acute on the
                     42: large special files.

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