/usr/include/diet/select.h is in libowfat-dietlibc-dev 0.30-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | #ifndef SELECT_H
#define SELECT_H
/* sysdep: -sysselect */
#include <sys/types.h>
#include <sys/time.h>
extern int select();
#endif
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