curayacu ~ # grep mbstring /etc/php/cli-php4/php.ini
;extension=php_mbstring.dll
[mbstring]
;mbstring.language = Japanese
;mbstring.internal_encoding = EUC-JP
;mbstring.http_input = auto
;mbstring.http_output = SJIS
; mbstring.internal_encoding setting. Input chars are
;mbstring.encoding_translation = Off
;mbstring.detect_order = auto
;mbstring.substitute_character = none;
; overload(replace) single byte functions by mbstring functions.
;mbstring.func_overload = 0
; With mbstring support this will automatically be converted into the encoding
; given by corresponding encode setting. When empty mbstring.internal_encoding 
curayacu ~ # cat /etc/php/cli-php4/ext-active
cat: /etc/php/cli-php4/ext-active: Is a directory
curayacu ~ # cat /etc/php/cli-php4/ext-active