cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations uchar/mbrtoc16.c -o uchar/mbrtoc16 -D_POSIX_C_SOURCE=202405L -lm -lpthread -lnetwork -lbsd -latomic
uchar/mbrtoc16.c:5:88: error: 'mbrtoc16' undeclared here (not in a function); did you mean 'mbrtoc32'?
    5 | size_t (*foo)(char16_t *restrict, const char *restrict, size_t, mbstate_t *restrict) = mbrtoc16;
      |                                                                                        ^~~~~~~~
      |                                                                                        mbrtoc32