cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdio/stderr.c -o stdio/stderr -D_POSIX_C_SOURCE=202405L -lm -lpthread -lnetwork -lbsd -latomic
stdio/stderr.c:3:2: error: #error "stderr is not defined"
    3 | #error "stderr is not defined"
      |  ^~~~~