743     char   *cur;  member
751         *p->cur = c, --p->len;  in string_put_char()
752     ++p->cur;  in string_put_char()
763             p->cur[i] = c;  in string_fill_char()
765         p->cur += n;  in string_fill_char()
777             p->cur[i] = s[i];  in string_put_string()
779         p->cur += n;  in string_put_string()
916     str.len = len, str.cur = str.base = dst;  in OS_VSNPrintfEx()
1267                     int     pos = str.cur - str.base;  in OS_VSNPrintfEx()
1454         *str.cur = '\0';  in OS_VSNPrintfEx()
1457     return str.cur - str.base;  in OS_VSNPrintfEx()