Tuesday, May 21, 2013

Variables Not Declared But Are In Global And In Struct - C And C++ ...


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    2 Replies - 56 Views - Last Post: Today, 01:25 AM Rate Topic: -----

    #1 Adriel16 ?Icon User is online

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    Posted Today, 01:06 AM

    Hi all, just joined. I've written a segment of code that writes the first and last name of employess like so:
    last name, first name. To minimize the clutter in the main I want to get almost everything into a function so I've written this function that does string copies and string cats the last name and first name with a comma in the middle. However I received errors these are them:
    
 arturo@arturo-Satellite-L305:~/Assign3c$ make g++ assign3c.cpp taxes.o Qsort.o -o main.exe assign3c.cpp: In function ?int main()?: assign3c.cpp:143:28: error: ?lastname? was not declared in this scope assign3c.cpp: In function ?void attachNames(char, char)?: assign3c.cpp:208:17: error: ?record? was not declared in this scope assign3c.cpp:208:24: error: ?i? was not declared in this scope assign3c.cpp:209:21: error: invalid conversion from ?char? to ?char*? [-fpermissive] /usr/include/string.h:136:14: error:   initializing argument 1 of ?char* strcat(char*, const char*)? [-fpermissive] make: *** [main.exe] Error 1 
    
 void attachNames(char S_name, char lastname); //prototype  
    
 void attachNames(char S_name, char lastname); 
    
 void attachNames(char S_name, char lastname) {   strcpy(S_name,record[i].lastname);   strcat(S_name, ",");   strcat(S_name, record[i].lastname); } 

    I have played around with the record and * and ampersands to see if something would work but nothing has. What am i doing wrong here?


    Is This A Good Question/Topic? 0

    Replies To: Variables not declared but are in global and in struct

    #2 jjl ?Icon User is offline

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    Re: Variables not declared but are in global and in struct

    Posted Today, 01:13 AM

    You are only passing characters to your functions, you need to pass char pointers to your strings.


    #3 Adriel16 ?Icon User is online

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    Re: Variables not declared but are in global and in struct

    Posted Today, 01:25 AM

    View Postjjl, on 21 May 2013 - 01:13 AM, said:

    You are only passing characters to your functions, you need to pass char pointers to your strings.

    Okay so, and I promise to be better at this just given the chance...

    
 void attachNames(char *S_name, char * lastname); 
    
 attachNames(&S_names, &lastname); 

    S_name is declared and lastname is in a struct...does that have any bearing?

    
 char S_name[12+10]; 

    View Postjjl, on 21 May 2013 - 01:13 AM, said:

    You are only passing characters to your functions, you need to pass char pointers to your strings.

    Oh no I got it to work! Thank you!


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