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#include <mlvalues.h>
#include "unix.h"
value unix_read(fd, buf, ofs, len) /* ML */
value fd, buf, ofs, len;
{
int ret;
enter_blocking_section();
ret = read(Int_val(fd), &Byte(buf, Long_val(ofs)), Int_val(len));
leave_blocking_section();
if (ret == -1) uerror("read", Nothing);
return Val_int(ret);
}
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