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Annotation of 43BSDReno/share/man/man3f/fseek.3, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1983 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)fseek.3f    6.2 (Berkeley) 5/27/86
                      6: .\"
                      7: .TH FSEEK 3F "May 27, 1986"
                      8: .UC 5
                      9: .SH NAME
                     10: fseek, ftell \- reposition a file on a logical unit
                     11: .SH SYNOPSIS
                     12: .B integer function fseek (lunit, offset, from)
                     13: .br
                     14: .B integer offset, from
                     15: .sp 1
                     16: .B integer function ftell (lunit)
                     17: .SH DESCRIPTION
                     18: .I lunit
                     19: must refer to an open logical unit.
                     20: .I offset
                     21: is an offset in bytes relative to the position specified by
                     22: .I from.
                     23: Valid values for
                     24: .I from
                     25: are:
                     26: .sp 1
                     27: .in +5
                     28: 0 meaning `beginning of the file'
                     29: .br
                     30: 1 meaning `the current position'
                     31: .br
                     32: 2 meaning `the end of the file'
                     33: .in -5
                     34: .PP
                     35: The value returned by
                     36: .I fseek
                     37: will be 0 if successful, a system error code otherwise.
                     38: (See perror(3F))
                     39: .PP
                     40: .I Ftell
                     41: returns the current position of the file associated with the specified
                     42: logical unit. The value is an offset, in bytes, from the beginning of the file.
                     43: If the value returned is negative, it indicates an error and will be
                     44: the negation of the system error code. (See perror(3F))
                     45: .SH FILES
                     46: .ie \nM /usr/ucb/lib/libU77.a
                     47: .el /usr/lib/libU77.a
                     48: .SH "SEE ALSO"
                     49: fseek(3S), perror(3F)

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