cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdlib/posix_memalign.c -o stdlib/posix_memalign -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
stdlib/posix_memalign.c:6:39: error: ‘posix_memalign’ undeclared here (not in a function)
    6 | int (*foo)(void **, size_t, size_t) = posix_memalign;
      |                                       ^~~~~~~~~~~~~~