* mlibc/include/stdarg.h (va_list): New type.
(va_start, va_arg, va_end, va_copy): New macro.
(vprintf): New declaration.
* mlibc/libc-mes.c (vprintf): New function.
(printf): Rewrite using vprintf.
* module/language/c99/compiler.mes (expr->accu, expr->accu*): Handle
any array. Limitation: element size must be 4/sizeof (expression).
(make-type): Add value pointer to type.
(type:type, type:size, type:pointer, type:description): New functions.
(ast->info): Handle typedef with pointer.
* mlibc/include/libgen.h: New file.
* mlibc/include/locale.hh: New file.
* mlibc/include/stdbool.h: New file.
* mlibc/include/stdnoreturn.h: New file.
* mlibc/include/time.h: Add time_t.
