x86_64-managarm-gcc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations nl_types/catopen.c -o nl_types/catopen -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
nl_types/catopen.c:5:10: error: expected declaration specifiers or ‘...’ before ‘*’ token
    5 | nl_catd (*foo)(const char *, int) = catopen;
      |          ^