cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/scalblnl.c -o math/scalblnl -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
math/scalblnl.c:5:41: error: ‘scalblnl’ undeclared here (not in a function); did you mean ‘scalbnl’?
    5 | long double (*foo)(long double, long) = scalblnl;
      |                                         ^~~~~~~~
      |                                         scalbnl