lex yacc ???

[ajaxjinx]

%token NUMBER
%token LETTER

%start cmd




%% 

cmd:             /*Blank*/                   {printf("Blank, No command entered ");}
                | cmd_name args_list         {   char str[80];
                                                 strcpy (str,$1);
                                                 strcat (str,'(');
                                                 strcat (str,$2);
                                                 strcat (str,')');
                                                 $$ = str;
                                              } 
                ;

cmd_name:        string                       { $$ = $1;}
                 string '.''.'                { char str[80];
                                                strcpy (str,$1);
                                                strcat (str,$2);
                                                strcat (str,$3);
                                                $$ = str;}
                ;


args_list:        /*Blank*/                
                | args args_list             {  char str[80];
                                                strcpy (str,$1);
                                                strcat (str,' ');
                                                strcat (str,$2);
                                                $$ = str;
                                             }
                ;

args:             int_number                 {$$ = $1;}
                | string                     {$$ = $1;}
                | ip_address                 {$$ = $1;}
                | mac_address                {$$ = $1;}
                ; 

int_number:       NUMBER                     {$$ = $1;}
                | NUMBER int_number          {  char str[80];
                                                strcpy (str,$1);
                                                strcat (str,$2);
                                                $$ = str;
                                              }
                ;

ip_address:       int_number '.' int_number '.' int_number '.' int_number     {    char str[80];
                                                                                   strcpy (str,$1);
                                                                                   strcat (str,".");
                                                                                   strcat (str,$3);
                                                                                   strcat (str,".");
                                                                                   strcat (str,$5);
                                                                                   strcat (str,".");
                                                                                   strcat (str,$7);
                                                                                   $$ = str;
                                                                                }
                ;

mac_address:      int_number ':' int_number ':'  int_number ':'  int_number ':'  int_number ':' int_number     {    char str[80];
                                                                                                                    strcpy (str,$1);
                                                                                                                    strcat (str,":");
                                                                                                                    strcat (str,$3);
                                                                                                                    strcat (str,":");
                                                                                                                    strcat (str,$5);
                                                                                                                    strcat (str,":");
                                                                                                                    strcat (str,$7);
                                                                                                                    strcat (str,":");
                                                                                                                    strcat (str,$9);
                                                                                                                    strcat (str,":");
                                                                                                                    strcat (str,$11);
                                                                                                                    $$ = str;
                                                                                                                 }
                ;

string:           LETTER              {$$ = $1;}
                | LETTER string       { char str[80];
                                        strcpy (str,$1);
                                        strcat (str,$2);
                                        $$ =str;
                                      }
                ;

%%

Hi guys,

I am getting 2 SR conflicts for the code above. Please can someone help me resolve them..

I know this is not the exact place to post a lex yacc doubt.But I dint find any other valid avenue.

I ll be really greateful if anyone can solve this .or if u can tell me whr do i get help from.

Thanx