···689689690690/********** Function prototypes. **********/691691692692-extern asmlinkage long sys_getpid(void);693693-extern asmlinkage long sys_getppid(void);694694-695692/* Check whether the given string starts with the given keyword. */696693bool tomoyo_str_starts(char **src, const char *find);697694/* Get tomoyo_realpath() of current process. */