Palindrome test in C

c_palindrome.cpp

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#include <stdio.h>
#include<string.h>

int main()
{  
    char str[25];
    printf("Enter String:");
    scanf("%s",&str);
    
    int i,count=0;
    for (i=0; str[i]!='\0';i++)
    {
        //printf("%c", i);
        count++;
    }
    printf("Length is: %d \n", count);
    
    int first=0;
    int last=count-1;
    while (last>1)
    {
        if (str[first++]!=str[last--])
        {
        printf("%s is not palindrome", str);
        return;
        }
    
    }   
        printf("%s is palindrome", str);
    
    return 0;
}