cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_mman/struct-posix_typed_mem_info.c -o sys_mman/struct-posix_typed_mem_info -D_POSIX_C_SOURCE=202405L  -lm -lpthread  -liconv
sys_mman/struct-posix_typed_mem_info.c:3:29: error: tentative definition has type 'struct posix_typed_mem_info' that is never completed
    3 | struct posix_typed_mem_info foo;
      |                             ^
sys_mman/struct-posix_typed_mem_info.c:3:8: note: forward declaration of 'struct posix_typed_mem_info'
    3 | struct posix_typed_mem_info foo;
      |        ^
1 error generated.