--- /dev/null
+#ifndef _WIMLIB_ENCODING_H
+#define _WIMLIB_ENCODING_H
+
+#include "wimlib/types.h"
+
+extern void
+iconv_global_cleanup(void);
+
+extern bool wimlib_mbs_is_utf8;
+
+#define DECLARE_CHAR_CONVERSION_FUNCTIONS(varname1, varname2, \
+ chartype1, chartype2) \
+ \
+extern int \
+varname1##_to_##varname2(const chartype1 *in, size_t in_nbytes, \
+ chartype2 **out_ret, \
+ size_t *out_nbytes_ret); \
+ \
+extern int \
+varname1##_to_##varname2##_nbytes(const chartype1 *in, size_t in_nbytes,\
+ size_t *out_nbytes_ret); \
+ \
+extern int \
+varname1##_to_##varname2##_buf(const chartype1 *in, size_t in_nbytes, \
+ chartype2 *out);
+
+
+#if !TCHAR_IS_UTF16LE
+DECLARE_CHAR_CONVERSION_FUNCTIONS(utf16le, tstr, utf16lechar, tchar);
+DECLARE_CHAR_CONVERSION_FUNCTIONS(tstr, utf16le, tchar, utf16lechar);
+#endif
+
+extern int
+utf8_to_tstr_simple(const char *utf8str, tchar **out);
+
+extern int
+tstr_to_utf8_simple(const tchar *tstr, char **out);
+
+#endif /* _WIMLIB_ENCODING_H */