cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations complex/cpowl.c -o complex/cpowl -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
complex/cpowl.c:5:72: error: ‘cpowl’ undeclared here (not in a function); did you mean ‘cpowf’?
    5 | long double complex (*foo)(long double complex, long double complex) = cpowl;
      |                                                                        ^~~~~
      |                                                                        cpowf