22 lines
413 B
C
22 lines
413 B
C
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#include <fcntl.h>
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#include <io.h>
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void main()
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{
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int handle, dup_handle;
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handle = open( "file",
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O_WRONLY | O_CREAT | O_TRUNC | O_TEXT,
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S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP );
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if( handle != -1 ) {
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dup_handle = 4;
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if( dup2( handle, dup_handle ) != -1 ) {
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/* process file */
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close( dup_handle );
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}
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close( handle );
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}
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}
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