#include <string.h>

void    *ft_memchr(const void *s, int c, size_t n)
{
    size_t          i;
    unsigned char   *uc_s;

    uc_s = (unsigned char*)s;
    i = 0;
    while (i < n)
    {
        if (uc_s[i] == (unsigned char)c)
            return (uc_s + i);
        i++;
    }
    return (NULL);
}