蛋疼的C语音字符串拷贝 strncpyr

uint8_t *strncpyr(uint8_t *dest, const uint8_t *src, int8_t r, int32_t n)
{
    int32_t pos = 0;
    
    for(pos = 0; ((src[pos] != '\0') && (src[pos] != r) && (pos < n)); pos++)
    {
        dest[pos] = src[pos];
    }
    
    dest[pos] = 0;
    
    return dest;
}