.Dt WCSTOMBS 3
.Os
.Sh NAME
-.Nm wcstombs
+.Nm wcstombs ,
+.Nm wcstombs_l
.Nd convert a wide-character string to a character string
.Sh LIBRARY
.Lb libc
.In stdlib.h
.Ft size_t
.Fo wcstombs
-.Fa "char * restrict mbstring" "const wchar_t * restrict wcstring"
-.Fa "size_t nbytes"
+.Fa "char *restrict s"
+.Fa "const wchar_t *restrict pwcs"
+.Fa "size_t n"
+.Fc
+.In stdlib.h
+.In xlocale.h
+.Ft size_t
+.Fo wcstombs_l
+.Fa "char *restrict s"
+.Fa "const wchar_t *restrict pwcs"
+.Fa "size_t n"
+.Fa "locale_t loc"
.Fc
.Sh DESCRIPTION
The
.Fn wcstombs
function converts a wide character string
-.Fa wcstring
+.Fa pwcs
into a multibyte character string,
-.Fa mbstring ,
+.Fa s ,
beginning in the initial conversion state.
Up to
-.Fa nbytes
+.Fa n
bytes are stored in
-.Fa mbstring .
+.Fa s .
Partial multibyte characters at the end of the string are not stored.
-The multibyte character string is null terminated if there is room.
+The multibyte character string is null terminated, if there is room.
+.Pp
+Although the
+.Fn wcstombs
+function uses the current locale, the
+.Fn wcstombs_l
+function may be passed a locale directly. See
+.Xr xlocale 3
+for more information.
.Sh RETURN VALUES
The
.Fn wcstombs
function returns the number of bytes converted
-(not including any terminating null), if successful, otherwise it returns
+(not including any terminating null), if successful;
+otherwise, it returns
.Po Vt size_t Pc Ns \-1 .
.Sh ERRORS
The
.Xr mbstowcs 3 ,
.Xr multibyte 3 ,
.Xr wcsrtombs 3 ,
-.Xr wctomb 3
+.Xr wctomb 3 ,
+.Xr xlocale 3
.Sh STANDARDS
The
.Fn wcstombs