cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations wctype/wctrans_l.c -o wctype/wctrans_l -D_POSIX_C_SOURCE=202405L  -lm -lpthread  -liconv
wctype/wctrans_l.c:5:32: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
    5 | wctrans_t (*foo)(const char *, locale_t) = wctrans_l;
      |                                ^
      |                                int
wctype/wctrans_l.c:5:44: error: use of undeclared identifier 'wctrans_l'; did you mean 'wctrans'?
    5 | wctrans_t (*foo)(const char *, locale_t) = wctrans_l;
      |                                            ^~~~~~~~~
      |                                            wctrans
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/_wctype.h:123:2: note: 'wctrans' declared here
  123 |         wctrans(const char *);
      |         ^
wctype/wctrans_l.c:5:13: error: incompatible function pointer types initializing 'wctrans_t (*)(const char *, int)' (aka 'int (*)(const char *, int)') with an expression of type 'wctrans_t (const char *)' (aka 'int (const char *)') [-Wincompatible-function-pointer-types]
    5 | wctrans_t (*foo)(const char *, locale_t) = wctrans_l;
      |             ^                              ~~~~~~~~~
3 errors generated.