cc -pipe -O   -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations limits/NZERO.c -o limits/NZERO -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lrt -lcrypt
limits/NZERO.c:9:2: error: #error "NZERO is not defined"
 #error "NZERO is not defined"
  ^~~~~