ngx_utf8_cpystrn  192 src/core/ngx_string.h u_char *ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len);
ngx_utf8_cpystrn  569 src/http/modules/ngx_http_autoindex_module.c             b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data,