val getpwnam : (string ->Unix.passwd_entry)Stdlib.ref
val escape :
special_char:(string ->int ->int -> bool)->next:(string ->int -> int)->escape_char:(string ->int ->int -> string)->string ->[> `Orig of int * int| `Subst of string * int ] list * int
val utf8_next : string ->int -> int
val utf8_char_code : string ->int ->int -> int
val ascii_special_char : string ->int ->int -> bool
val utf8_special_char : string ->int ->int -> bool
val escape_utf8_char : strict:bool ->string ->int ->int -> string
val escape_utf8_formatter :
?strict:bool ->?special_char:(string ->int ->int -> bool)->string ->[> `Orig of int * int| `Subst of string * int ] list * int
val escape_hex_char : string ->int ->int -> string
val escape_octal_char : string ->int ->int -> string
val escape_ascii_formatter :
?special_char:(string ->int ->int -> bool)->string ->[> `Orig of int * int| `Subst of string * int ] list * int
val has_subst : [ `Orig of int * int| `Subst of string * int ] list-> bool
val escape_string :
(string ->[ `Orig of int * int| `Subst of string * int ] list * int)->string ->
string