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#pragma once #include <sys/cdefs.h> __BEGIN_DECLS enum { LC_ALL, LC_NUMERIC, LC_CTYPE, LC_COLLATE, LC_TIME, LC_MONETARY, }; struct lconv { char* decimal_point; char* thousands_sep; char* grouping; }; struct lconv* localeconv(); char* setlocale(int category, const char* locale); __END_DECLS