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我需要动态声明 AvahiClient*。因此，为此我使用了 AvahiClient *c = (AvahiClient*)malloc(sizeof(AvahiClient))这种方法和所有其他方法来获取 AvahiClient 的大小，但会给出表单错误incomplete type ‘AvahiClient’ {aka ‘struct AvahiClient’}。那么有没有办法获得 AvahiClient 的大小？
AvahiClient *c = (AvahiClient*)malloc(sizeof(AvahiClient))
incomplete type ‘AvahiClient’ {aka ‘struct AvahiClient’}