在C语言中,尽管没有“类”的概念(这是C++中的术语),但存在类似的问题,即“pointer to incomplete type”(指向不完整类型的指针)。以下是对你问题的详细回答: 1. 解释什么是“incomplete type” 在C语言中,一个类型如果在某个点上没有被完全定义,那么它就是“incomplete type”(不完整类型)。这通常发生在以下...
voidmain(){int* ptr_a;// Allocate the pointerptr_a =malloc(sizeof(int));// Allocate an int pointee, and set ptr_a to point to it} C++ 代码: intmain(){int* ptr_a;// Allocate the pointer ptr_aptr_a =newint;// Allocate an int pointee, and set ptr_a to point to it} 在C...
node* p=L; node*u;while((p->next->data)<x){//报错 源文件已包含该.h文件 error: dereferencing pointer to incomplete typep = p->next; } u= (node*)malloc(sizeof(node)); u->data =x; u->next = p->next; p->next =u; } /*4. 将单链表L中的奇偶数项节点分解开,分别放入新的...
tcpclient.c: In function ‘main’: tcpclient.c:59:46: error: dereferencing pointer to incomplete type 源码是: // set params of sockaddr_in instances serv_addr.sin_family = AF_INET; serv_addr.sin_port = htons(PORT); serv_addr.sin_addr = *((struct in_addr*)host->h_addr); bzero(&...
It can be observed that the compiler throws the errordereferencing pointer to incomplete type. Normally, C will find the name of the struct which was put in; if the original struct is not found, this would usually appear. It will also appear if you point a pointer pointed into that pointe...
你这段代码问题可多了 1 结构体 node 是在哪里定义，是否包含了定义 node 的头文件 2 p=(struct node*)malloc(sizeof(char)); /*p为new指针*/ ，应该是 p=(struct node*)malloc(sizeof(node)); /*p为new指针*/ 3 if(head=NULL) head=p; 应该是 head==NULL 吧 p=...
The following error appears: "incomplete type "A" is not allowedC/C++(70)" If test.h is open the error does not appear. I suspect that the error is some encoding releated problem. if I change the encoding of the files to UTF-8 the error does not appear. Expected behavior: No error...
EINT.C(4): error: #70: incomplete type is not allowed 结构体声明在是不能被extern的，如果多个文件中用了一个同结构体，只想声明一次 需要将结构体在头文件中定义，初始化可以放在.c中.EINT.C(4): error: #65: expected a ";"这是缺少了；EINT.C(24): warning: At end of ...
/usr/local/src/php-5.2.17/ext/dom/node.c:1953:21: error: dereferencing pointer to incomplete type ret = buf->buffer->use; ^ In file included from /usr/local/src/php-5.2.17/main/php.h:38:0, from /usr/local/src/php-5.2.17/ext/dom/node.c:26: ...
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