C

typedef struct {
    char *cmd;
    ret_code_t (*fun)(void);
    const char *help;
    com_enum_t type;
} command_def_t;

 

int run_command(void)
//  returned: -1  - command not found
//  0   - command found and ran
//  1   - no command
//  2   - other block command (do not run command)
//  3   - get new command