move to next string in function and print it in main function(c)

Question

I accept string from a user then print split string words using space and print it inside a function at second iteration pch="*" but when it is called inside main it still has select.

How to make change in function appear in main function?

void moveNext(char * pch)
{           
    pch=strtok(NULL," ");        
}

int main()
{

    char * str;
    clrscr();

    printf("\n please enter sql comm.....\n");
    flushall();
    gets(str);
    //user has enterd that string select * from std
    pch = strtok(str," ");
    while(pch != NULL)
    {
         printf("%s",pch);
         moveNext(pch);
    }

    getch();
    return 0;
}

user enter string after each word there is space like that select * from std i want to print select then print * then print from then print std i create function that called moveNext to move to next word after space but when i print it print select only not all words — Mohammed AbdElrahman, Nov 08 '14 at 10:39
Related: http://stackoverflow.com/q/25204576/694576 (for an `int*` but a `char*`) — alk, Nov 08 '14 at 10:43
@CoolGuy why and i don't know the size of string the user will enter it ?? — Mohammed AbdElrahman, Nov 08 '14 at 10:43
@MohammedAbdElrahman , [`gets` is dangerous](http://stackoverflow.com/questions/1694036/why-is-the-gets-function-dangerous-why-should-it-not-be-used) and allocate memory for `*str` using `malloc` — Spikatrix, Nov 08 '14 at 10:46
@alk please note that the question you marked as duplicated not the same as my question — Mohammed AbdElrahman, Nov 08 '14 at 14:00

score 0 · Answer 1 · answered Nov 08 '14 at 10:52

0

The below code will help you to get rid of the function movenext

int main()
{
   char *p; 
   char a[20];
   printf("ENter name:\n");
   fgets(a,20,stdin);

   p = strtok(a," ");
   while( p  != NULL)
   {   
      printf("%s ",p);
      p = strtok(NULL," ");
   }   
}

answered Nov 08 '14 at 10:52

Gopi

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what if user entered string size > 20 ?? – Mohammed AbdElrahman Nov 08 '14 at 10:55
You can increase the size of the array to your wish this is just an example – Gopi Nov 08 '14 at 10:59
what i mean is that i dont know the size of string user will enter ? – Mohammed AbdElrahman Nov 08 '14 at 11:43
Ok then you can do it this way. Initially do a malloc for some size and keep doing realloc until you allocate whole input – Gopi Nov 08 '14 at 11:50

move to next string in function and print it in main function(c)

1 Answers1