extern int common_args_process(int argc, char *argv[], int min_argc,
int max_argc, const char *cmd,
const char *usage, int flags);
extern int common_inode_args_process(int argc, char *argv[],
ext2_ino_t *inode, int flags);
extern int common_block_args_process(int argc, char *argv[],
extern int common_args_process(int argc, char *argv[], int min_argc,
int max_argc, const char *cmd,
const char *usage, int flags);
extern int common_inode_args_process(int argc, char *argv[],
ext2_ino_t *inode, int flags);
extern int common_block_args_process(int argc, char *argv[],