cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations langinfo/ALTMON_3.c -o langinfo/ALTMON_3 -D_POSIX_C_SOURCE=202405L -lm -lpthread -lnetwork -lbsd -latomic
langinfo/ALTMON_3.c:2:17: error: 'ALTMON_3' undeclared here (not in a function); did you mean 'ABMON_3'?
    2 | int const foo = ALTMON_3;
      |                 ^~~~~~~~
      |                 ABMON_3