cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/scalblnf.c -o math/scalblnf -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
math/scalblnf.c:5:29: error: ‘scalblnf’ undeclared here (not in a function); did you mean ‘scalbnf’?
    5 | float (*foo)(float, long) = scalblnf;
      |                             ^~~~~~~~
      |                             scalbnf