pointers

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what does this error suggest?

When I am trying to execute my program Its getting error like this - sendip: malloc.c:4631: _int_malloc: Assertion `(unsigned long)(size)[详细]

2023-04-13 09:21 分类：问答
how to get hexdump of a structure data

.... finalize(char *hdrs, sendip_data *headers[], int index, sendip_data *data, sendip_data *pack) { ........[详细]

2023-04-13 09:06 分类：问答
C : Why isn't my global variable updating?

So I was bored today and decided to kick off the rust in my C skills, but I can\'t explain this: typedef struct Node[详细]

2023-04-13 08:04 分类：问答
getting variables from master struct

I am trying to create different messages to be transferred between two hosts. The program structure that I am following is to create a master struct where all the variables to be passed in different m[详细]

2023-04-13 07:58 分类：问答
Free Memory in C (Can't fix memory leak)

EDIT: I have changed my program according to suggestions people have made but I am unable to fix memory leaks. Also, I need to free them without using argc, so i need to somehow keep track of the arra[详细]

2023-04-13 07:43 分类：问答
Referencing a pointer to a struct that contains a pointer to a pointer to a struct

I\'m having a hard time referencing the memory inside the struct, I\'m not sure that my syntax is correct (although considering other posts I think I\'m fine).[详细]

2023-04-13 06:05 分类：问答
local pointer variables

What will be the output of the following program? int *call(); void main() { int *ptr = call(); printf(\"%d : %u\",*ptr,ptr);[详细]

2023-04-13 06:05 分类：问答
Pointers and char*'s

My C++ syntax is quite rusty.This is my code: /* Add hdr of length length to the msg. */ void Message::msgAddHdr(char *hdr, size_t length)[详细]

2023-04-13 04:40 分类：问答
C++: Strange behavior of pointer data member in const context

The const qualifier on a method supposed to protect the data member from overwriting by mistake. If you have a data member which is a pointer then only the pointer is defended, the pointed value is no[详细]

2023-04-13 02:53 分类：问答
Safety of casting between pointers of two identical classes?

Let\'s say I have two different classes, both represent 2D coordinate data in the same internal way like the following:[详细]

2023-04-13 02:51 分类：问答