C API Reference -- Ns_DupHigh

### Ns_DupHigh

#### Overview

Move file descriptors

#### Syntax

        Ns_DupHigh(
        int *fd
        );

#### Description

Ns_DupHigh moves file descriptors above 256 on platforms where the file descriptor in the stdio FILE structure is an unsigned char. By calling Ns_DupHigh on file descriptors that you know will not be buffered, you can leave as many low file descriptors available for stdio as possible. Ns_DupHigh is not supported on platforms where this is not an issue.

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