Visual C++开发数据库基础之ADO篇

Standard Streams
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- Standard input (stdin): file descriptor is 0.
- Standard output (stdout): file descriptor is 1.
- Standard error (stderr): file descriptor is 2.

Redirection
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Most shells allow both standard output and standard error to be redirected to the same file using

>& filename

Bourne-style shells allow standard error to be redirected to the same destination that standard output is directed to using

2>&1