wctrans_t
wctrans(
const char *charmap
)
)
function returns a character mapping identifier corresponding to the
locale-specific character mapping name
charmap
.
This identifier can be used on the subsequent calls of
towctrans(
).
The following names are defined in all locales:
tolower toupper
The behaviour of
wctrans()
is affected by the
LC_CTYPE
category of the current locale.
)
returns:
charmap
does not corresponding to a valid character mapping name.
charmap
.
Note: wctype_t is a scalar type, e.g., a pointer.
)
function conforms to
ISO/IEC 9899/AMD1:1990 (``ISO C90'') .