3.32 wctrans—get wide-character translation type

Synopsis

     #include <wctype.h>
     wctrans_t wctrans(const char *c);
     

Description
wctrans is a function which takes a string c and gives back the appropriate wctrans_t type value associated with the string, if one exists. The following values are guaranteed to be recognized: "tolower" and "toupper".

Returns
wctrans returns 0 and sets errno to EINVAL if the given name is invalid. Otherwise, it returns a valid non-zero wctrans_t value.

Portability
wctrans is C99.

No supporting OS subroutines are required.