C Programming - Remove Concequetive Repeting Chars with that Character

What I meant was convert "aaabccddd" to "abcd".

Solution:


#include < stdio.h >
#define STRING "aaabccddd"

int replaceCChars(char *string)
{
    char *dest=string;
    
    while(*string) {
         if ( *string != *(string+1) ) {
                   *dest++ = *string;
         }
         string++;
    }
    *dest = '\0';     
}

int main()
{
    char a[]=STRING;
    printf("Before: %s ",a);
    replaceCChars(a);
    printf("After: %s\n",a);
}


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