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Import ezmlm 0.53
[ezmlm]
/
substdio_copy.3
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.TH substdio_copy 3
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.SH NAME
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substdio_copy \- copy an entire input to an output
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.SH SYNTAX
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.B #include <substdio.h>
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int \fBsubstdio_copy\fP(&\fIsout\fR,&\fIsin\fR);
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substdio \fIsout\fR;
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.br
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substdio \fIsin\fR;
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.SH DESCRIPTION
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.B substdio_copy
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reads characters from
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.I sin
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until end of file,
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writing each character to
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.IR sout .
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It then returns 0.
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It does not flush
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.IR sout .
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Upon a
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.I sin
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error,
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.B substdio_copy
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returns -2,
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leaving
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.B errno
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set appropriately.
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Upon a
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.I sout
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error,
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.B substdio_copy
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returns -3,
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leaving
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.B errno
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set appropriately.
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.SH "SEE ALSO"
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substdio(3)