Strings & Arrays

Hello,
I need a program that 's able to place a character anywere in a string. This is what Iv got so far.

#include <stdio.h>
main()
{
void strins(char string[], char character[], int position);
char string[30];
char str_ing;
int i = 0;
char character[1];
int position;

printf("Enter a string\n");


do
{
str_ing = getchar();
string[i] = str_ing;
i++;
} while(str_ing != '\n');
string[i-1] = '\0';
printf("the letter and postion of correction\n");
scanf("%s %d",character,&position);

strins(string,character,position);
}

void strins(char string[], char character[], int position)
{
int i;


for (i=0, j=0;string[i] == character[position]; ++i, j++ )
string[i] = character[position] + string[i];

puts(string);


}
IT's in the function im getting confused, Thanks for any help.

Try this, i changed a few things mainly i removed scanf and replaced it with fgets and sscanf, they're safer to use.
I also used pointers as they are less messy than a load of square brackets, enjoy.

Code:

---

#include <stdio.h>

void strins(char *str_ptr, char ch, int pos);

int main()
{
    char string[31], temp[5], ch;
    int pos;

    printf("\nEnter a string ");
    fgets(string, sizeof(string) - 1, stdin);

    printf("\nEnter letter and position of correction ");
    fgets(temp, sizeof(temp) - 1, stdin);
    sscanf(temp, "%c %d", &ch, &pos);

    strins(string, ch, pos);

    return 0;
}

void strins(char *str_ptr, char ch, int pos)
{
    str_ptr += (pos - 1);
    *str_ptr = ch;
    str_ptr -= (pos - 1);  /* reset pointer */
    puts(str_ptr);

    return;
}

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