syscall_handler_t 11 arch/x86/um/shared/sysdep/syscalls_32.h extern syscall_handler_t *sys_call_table[]; syscall_handler_t 15 arch/x86/um/shared/sysdep/syscalls_64.h extern syscall_handler_t *sys_call_table[]; syscall_handler_t 29 arch/x86/um/shared/sysdep/syscalls_64.h extern syscall_handler_t sys_modify_ldt; syscall_handler_t 30 arch/x86/um/shared/sysdep/syscalls_64.h extern syscall_handler_t sys_arch_prctl;