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1.1 ! root 1: .th FSTAT II 8/5/73 ! 2: .sh NAME ! 3: fstat \*- get status of open file ! 4: .s3 ! 5: .sh SYNOPSIS ! 6: (fstat = 28.) ! 7: .br ! 8: (file descriptor in r0) ! 9: .ft B ! 10: .br ! 11: sys fstat; buf ! 12: .s3 ! 13: fstat(fildes, buf) ! 14: .br ! 15: struct inode buf; ! 16: .ft R ! 17: .sh DESCRIPTION ! 18: This ! 19: call is identical to ! 20: .it stat, ! 21: except that it operates ! 22: on open files instead of files given by name. ! 23: It is most often used to get the status ! 24: of the standard input and output files, whose names ! 25: are unknown. ! 26: .sh "SEE ALSO" ! 27: stat(II) ! 28: .sh DIAGNOSTICS ! 29: The error bit ! 30: (c-bit) is set if the file descriptor is unknown; ! 31: from C, a \*-1 return indicates an error, 0 indicates success.
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