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