PostgreSQL Source Code  git master
unistd.h
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1 /* src/include/port/win32_msvc/unistd.h */
2 
3 /*
4  * MSVC does not define these, nor does _fileno(stdin) etc reliably work
5  * (returns -1 if stdin/out/err are closed).
6  */
7 #define STDIN_FILENO 0
8 #define STDOUT_FILENO 1
9 #define STDERR_FILENO 2