cc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdlib/aligned_alloc.c -o stdlib/aligned_alloc -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv stdlib/aligned_alloc.c:5:32: error: ‘aligned_alloc’ undeclared here (not in a function) 5 | void *(*foo)(size_t, size_t) = aligned_alloc; | ^~~~~~~~~~~~~