gcc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations endian/be64toh.c -o endian/be64toh -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lxnet -lsocket -latomic endian/be64toh.c:1:10: fatal error: endian.h: No such file or directory 1 | #include | ^~~~~~~~~~ compilation terminated.