Recent questions tagged C

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How can I get OpenMP to run on Mac OSX 10.11, so that I can execute scripts via terminal? I have ... --patch" Any recommended work arounds? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - An alternative for the deprecated __malloc_hook functionality of glibc

I am writing a memory profiler for C and for that am intercepting calls to the malloc, realloc and ... the intercepting malloc hooks. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Signal handling in pthreads

I have created a pthread, and installed a signal handler inside that, same way as we do in main( ) function ... signal is not caught by handler) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Create statically-linked binary that uses getaddrinfo?

I have included the header netdb.h, where getaddrinfo is included, but gcc issues this warning: warning: Using ... than what glibc makes. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Indenting #defines

I know that #defines, etc. are normally never indented. Why? I'm working in some code at the ... #define FLASH_MEMORY_END 0x8000 #endif #endif See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - How to make Gtk+ window background transparent?

I'd like to make the background of a Gtk+ window transparent so that only the widgets in the window are ... anyone can provide in this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - implementation of rand()

I am writing some embedded code in C and need to use the rand() function. Unfortunately, rand() is not ... length and good uniform properties. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Finding the address range of the data segment

As a programming exercise, I am writing a mark-and-sweep garbage collector in C. I wish to scan the data segment ... . How could I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Algorithm to find all the exact divisors of a given integer

I want to find all the exact divisors of a number. Currently I have this: { int n; int i=2; scanf("%d",&n ... } Is there any way to improve it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - how to quit the blocking of xlib's XNextEvent

Under windows, the GUI thread usually call GetMessage to waiting for message, when another thread use PoseMessage put a ... I can use ?. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Variable sized padding in printf

Is there a way to have a variable sized padding in printf? I have an integer which says how large the padding is ... the number of '#' symbols. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Why does open() create my file with the wrong permissions?

I am trying to read some text from a file and write it to another using open(), read() and write(). This is my ... ; } fclose (fp); return 0; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - undefined reference to `std::ios_base::Init::Init()'

I write this code to read 3 files, TM is the size of square matrix, LER the No. of rows of an array and ... : sudo apt-get install g++-multilib See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Linked list recursive reverse

I was looking at the code below from stanford library: void recursiveReverse(struct node** head_ref) { struct node* ... the list becomes 4 ?? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Multiple child process

can someone help me about how to create multiple child processes which have the same parent in order to do " ... child processes with loop.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - flock vs lockf on Linux

If lockf is used with a 0 offset, what are differences between flock and lockf when used in exclusive ... to understand possible reasons why. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - What are *-devel packages?

What is the utility of devel packages like "libgtk+-devel" or "python-devel" etc.? Do they contain source ... non-devel packages like libgtk+? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - What does "request for member '*******' in something not a structure or union" mean?

Is there an easy explanation for what this error means? request for member '*******' in something not a structure ... clue as to what it means. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Seeking a simple description regarding 'file descriptor' after fork()

In "Advanced Programming in the Unix Environment", 2nd edition, By W. Richard Stevens. Section 8.3 fork function. ... of new to the concepts. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - How to build a DLL from the command line in Windows using MSVC

I've been doing C for about 20 years but I've never built a DLL; I've always prefered to statically link. I ... What else do I need to know? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - find if 4 points on a plane form a rectangle?

Can somebody please show me in C-style pseudocode how to write a function (represent the points however you like) ... what others come up with. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Does Function pointer make the program slow?

I read about function pointers in C. And everyone said that will make my program run slow. Is it true? I made ... run slow as many people said. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Recursive mkdir() system call on Unix

After reading the mkdir(2) man page for the Unix system call with that name, it appears that the ... individually creating each directory ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - gdb: "No symbol table is loaded"

I keep getting this error mesage when trying to add a breakpoint in gdb. I've used these commands to compile: gcc ... . Use the "file" command. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Left-pad printf with spaces

How can I pad a string with spaces on the left when using printf? For example, I want to print "Hello" ... 40 spaces printed before every line. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Deleting a middle node from a single linked list when pointer to the previous node is not available

Is it possible to delete a middle node in the single linked list when the only information available we have is ... node next to deleted node. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - What is double star (eg. NSError **)?

So, I saw this: error:(NSError **)error in the apple doc's. Why two stars? What is the significance? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - for Loop Not Running - Temperature Problem

I'm having some trouble with this simple for loop using user inputs question. The problem wants me to create a table that converts ... printf("Degrees in C is: %d"); } return 0; }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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