sys_msgget 620 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_msgget, sys_msgget) sys_msgget 769 include/linux/syscalls.h asmlinkage long sys_msgget(key_t key, int msgflg); sys_msgget 557 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_msgget, sys_msgget) sys_msgget 557 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_msgget, sys_msgget)