bson_utf8_next_char man page
bson_utf8_next_char — bson_utf8_next_char()
const char * bson_utf8_next_char (const char *utf8);
utf8: A UTF-8 encoded string.
Advances within utf8 to the next UTF-8 character, which may be multiple bytes offset from utf8. A pointer to the next character is returned.
It is invalid to call this function on a string whose current character is \0.
A pointer to the beginning of the next character in the UTF-8 encoded string.
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