cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations fnmatch/FNM_IGNORECASE.c -o fnmatch/FNM_IGNORECASE -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lcrypt -latomic
fnmatch/FNM_IGNORECASE.c:2:17: error: ‘FNM_IGNORECASE’ undeclared here (not in a function); did you mean ‘FNM_NOESCAPE’?
    2 | int const foo = FNM_IGNORECASE;
      |                 ^~~~~~~~~~~~~~
      |                 FNM_NOESCAPE