cc -pipe -O   -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations mqueue/O_CREAT.c -o mqueue/O_CREAT -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lrt -lcrypt
mqueue/O_CREAT.c:4:2: error: #error "O_CREAT is not defined"
 #error "O_CREAT is not defined"
  ^~~~~