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CodeBlocksPortable/WATCOM/samples/clibexam/d_open.c

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#include <stdio.h>
#include <dos.h>
#include <fcntl.h>
#include <share.h>
void main()
{
int handle;
if( _dos_open( "file", O_RDONLY, &handle ) != 0 ) {
printf( "Unable to open file\n" );
} else {
printf( "Open succeeded\n" );
_dos_close( handle );
}
}