problems with iconv_open

Hello:

This code:

>    iconv_t cd;                                                                
>                       
>    struct {                                                                   
>                       
>       char IBMCCSID[8];                                                       
>                       
>       char CcsidNbr[5];                                                       
>                       
>       char convAlt[3];                                                        
>                       
>       char subAlt;                                                            
>                       
>       char shiftStateAlt;                                                     
>                       
>       char inputLenOpt;                                                       
>                       
>       char errorOpt;                                                          
>                       
>       char reserved[12];                                                      
>                       
>       } fromCcsid;                                                            
>                       
>       strncpy(&fromCcsid.IBMCCSID[0],"IBMCCSID",8);                           
>                       
>       strncpy(&fromCcsid.CcsidNbr[0],"00037",5);  // "00000" also does not 
> work                                                  
>      strncpy(&fromCcsid.convAlt[0],"000",3); // "102" also does not work 
> either                         
>      fromCcsid.subAlt         =  '0';                                         
>                 
>      fromCcsid.shiftStateAlt  =  '0';                                         
>                 
>      fromCcsid.inputLenOpt    =  '0';                                         
>                 
>      fromCcsid.errorOpt       =  '0';  // '1' does not work either 
>   memset((void *)&fromCcsid.reserved[0],0x00,12);                             
>                 
>   struct {                                                                    
>                 
>      char IBMCCSID[8];                                                        
>                 
>      char CcsidNbr[5];                                                        
>                 
>      char reserved[19];                                                       
>           
>     } toCcsid;                                                                
>            
>    strncpy(&toCcsid.IBMCCSID[0],"IBMCCSID",8);                                
>            
>    strncpy(&toCcsid.CcsidNbr[0],"00850",5);                                   
>            
>    memset((void *)&toCcsid.reserved[0],0x00,19);                              
>            
>    cd = iconv_open ((char *)&fromCcsid,(char *)&toCcsid);                     
>            
>    if(cd.return_value == -1){    

generates the following error msg:

The value specified for the argument is not correct. 

which is the text associated with errno. This is V5R2. I am trying to do ebcdic 
to ascii translation. 
I would much appreciate any ideas anyone might have.

Sincerely,

-Davis Yokana