iOS 获取手机存储空间的大小详解手机开发

@import Darwin.sys.mount; 
 
int main(int argc, char * argv[]) { 
    @autoreleasepool { 
        struct statfs buf; 
        long long freespace = 0; 
        if (statfs("/", &buf) >= 0) { 
            freespace = (long long)buf.f_bsize * buf.f_blocks; 
        } 
        if (statfs("/private/var", &buf) >= 0) { 
            freespace += (long long)buf.f_bsize * buf.f_blocks; 
        } 
        printf("%lld/n",freespace); 
        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 
    } 
}