sys_socket 576 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_socket, sys_socket) sys_socket 798 include/linux/syscalls.h asmlinkage long sys_socket(int, int, int); sys_socket 589 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_socket, sys_socket) sys_socket 589 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_socket, sys_socket)