Recent questions tagged C

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c - Do string literals that end with a null-terminator contain an extra null-terminator?

For example: char a[] = "abc"; Does standard C say that another byte of value 0 must be appended even if the ... sizeof(a) equal to 4 or 5? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Algorithm to find the factors of a given Number.. Shortest Method?

What could be the simplest and time efficient logic to find out the factors of a given Number. Is there any ... me know on this.. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Does cast between signed and unsigned int maintain exact bit pattern of variable in memory?

I want to pass a 32-bit signed integer x through a socket. In order that the receiver knows which byte ... back will return the same value. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Writing firmware: assembly or high level?

Related to: Testing firmware starting a microcontroller simulator/emulator Interpreting assembly code If you are writing ... compile it? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - How sendmsg works?

As you know sendmsg has this declaration: int sendmsg(int s, const struct msghdr *msg, int flags); and msghdr ... it send in a for loop? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - How can the Linux kernel compile itself?

I don't quite understand the compiling process of the Linux kernel when I install a Linux system on my machine ... , thanks for the response. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - printf not yielding input values

I have the following block of code. The final line is meant to yield the values for X,Y and P values that are input by ... %d, %d) ", X,Y,P); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - scanf not reading properly because of gets function

#include<stdio.h> #include<stdlib.h> #include<string.h> int main(){ int n=1,i,cont; char string[50]; ... my scanf is within the gets function. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Advantage of using extern in a header file

There is a similar question title here, but in reading the answers it doesn't seem to address that particular ... extern 'do' anything else? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Is there a better code for printing fibonacci series?

Is the algorithm below the best way of generating the Fibonacci series? Or is there a better approach? This is my C ... ,n); } return 0; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - printf outputting garbage instead of specific characters

Well I've weird problem with printf(). It's outputting garbage on screen. It's kind of connected with ... spaces and random characters, why? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Printf statments not printing in order

typedef struct node_s{ int data; struct node_s *next; }node_t; void insert(node_t *pointer, int data){ while( ... the printf statment as well. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Is unsigned long int correct for this operation?

Here's my code: #include <stdio.h> int main(int argc, char *argv[]) { unsigned long int x = 0; // trying to ... to set x equal to 2,147,483,648? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - How could it be possible to read and write past the array

Output of the program: #include <stdio.h> int main() { int size; printf("Enter the size of array: "); ... it is not printing any garbage value. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Why the infinite loop when data type is unsigned int?

The below code runs perfectly.Gives the correct output but, the moment I change the sign of the variables from signed to ... "); } return 0; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

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c - free() not deallocating memory?

free(str); printf("%d ", str->listeners); The call to printf succeeds (as do any other calls to str's members). How is this possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - cvCreateCameraCapture returns null

I've got a webcam which is working perfectly in vlc, and is available as /dev/video0. However, whenever I use ... openCV 2.1.0.1 ppa. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - MPI asynchronous broadcast from unknown source

I have a C-project that has n numbers of processors working on a kind of tree search. At any given time ... race conditions could also occur). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Gets(string#) function skipping first gets request

I'm working on a project for my own personal leisure and learning. Part of it looks like this: #include<stdio.h ... someone tell me why this is? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - read consecutive tabs as empty field fscanf

I have a file that has certain fields separated by tabs. There will always be 12 tabs in a line, certain tabs ... way to deal with is issue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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894 views

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c - scanf unknown number of integers, how to end loop?

In class I need to use scanf to get integers to work with. Problem is I do not know to end the while loop. I wait ... if (stop == 1) break; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - "Assignment from incompatible pointer type" warning

I'm writing a function that parses a file with texture and animation data and loads it into some global ... incorrect in setting that variable. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Conditional execution based on short-circuit logical operation

As the evaluation of logical operators && and || are defined as "short circuit", I am assuming the following two ... of it will take place? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Receiving data from Java-Client (data contains int, short, string)

I was searching for hours to get an answer about my question, but didnt find anything. Maybe I get some help here. ... , I'm from germany :-) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Always repeated numbers given by rand()

I use rand() in a look, and it always give me the same values several times in a row. I tried to use srand( ... loop, but it does not help... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

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c - Why does this not give a segmentation violation fault?

#include <stdio.h> #include <stdlib.h> int noOfIntegers = 2; struct stack { int *s; int top; } st; void ... the array pointed to by the pointer. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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410 views

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c - Non-printable character after generating random n-byte Base64 string

I was trying to generate a 32byte base64 string using openssl, but it does not always produce 32 byte string and ... I need to do differently? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Simple program adding "D" to output

I have a very simple program that just prints the number of newlines as an integer and I get a "D" after every number ... ; printf("%d ", nl); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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