cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/fmodl.c -o math/fmodl -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
math/fmodl.c:5:48: error: ‘fmodl’ undeclared here (not in a function); did you mean ‘fmodf’?
    5 | long double (*foo)(long double, long double) = fmodl;
      |                                                ^~~~~
      |                                                fmodf