[c] Forum Topics

what's the meaning of - abstract data type - heab and stack - preprocessor.

I wanted some information on the return values : 1. Is it always necessary for a return value of [B]main()[/B] to be an integer. 2. What happens if the return value of [B]main()[/B] is not integer. 3. When a return value other than 0 is returned - does it always …

hi guys. i was going through a code where i saw an enum written as: typedef enum { #define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name, #include "lwip/memp_std.h" MEMP_MAX } memp_t; # define inside enum. wat does it mean. Also i saw: #if !MEM_USE_POOLS static #endif const u16_t memp_sizes[MEMP_MAX] = { #define LWIP_MEMPOOL(name,num,size,desc) MEMP_ALIGN_SIZE(size), #include …

Hi, I have a list of named enums: [CODE=C]typedef enum EGCDevicePneumaticState { EUnknown, ENotPresent, ENotReady, EPressureNotReady, EFlowNotReady, EReadyOn, EReadyOFF, NumberOfEGCDevicePneumaticState, }; typedef enum EGCDeviceReadiness { EUnknown, EReady, EReadForPrep, ENotReady, NumberOfEGCDeviceReadiness, }; typedef enum EGCDeviceRunState { EIdle, EPreRun, ERun, EPostRun, NumberOfEGCDeviceRunState, }; typedef enum EGCDeviceThermalState { EUnknown, ENotPresent, EOff, ENotReady, EReady, …

Hi there, I am trying to make a piece of code in C that: 1. opens a specified file, 2. Reads the data in the file and include it in MySQL, based on the position of commas, 3. Converts the last two number into binary and then performs some check …

I have an array with some integers. i want to remove redudants integers in the array and print the integers without redudancy... can any one give me the code please.....

I'm in the midst of developing a Python toolset for some proprietary hardware used at NOAO. The code has to write a series of EEPROMS in the hardware to determine conversion factors for hardware attributes. The EEPROM format is 2048 32-bit words each word represents the slope, intercept, minimum or …

I'm doing my first C project in, maybe, 15 years, and have gotten stuck. I'm trying to link a 3rd party library into my project. I've installed the headers in ./include/ft and the libs in ./lib/ft Here's my compiler command and associated output: [icode] [root@wayne tele]# g++ -g lib/ft/libmbusmaster.a -lm …

[ATTACH]17390[/ATTACH] I've no idea how to solve this Q with C. help me~~ plz~~!!

Hi! I have written a function for passing a string into it and finding its length. When I pass a string it prints a correct value. But when I take two strings and passing them individual len(str1),len(str2) after scanning two strings it returns the wrong value. In the first case …

guys our professor wants us to make a program in C. a program that uses the implementations of algorithm. i dont have any idea what is it about, what program should i make, and what would i do. i need your help. please answer. :(

Dear Friends, Can any one suggest me, im using Windows 7, i m try to install the Turbo C complier, but it is creating virtual directory, after completion of the creation of directory, it will ask for renameing the root path, How can i rename the root path... (virtual Directory …

Hi there, I am trying to find the max and min value in a an array of size 100, but the input is stopped when there is a 0 entered, and it too gets added to the array. The code below works good, EXCEPT it's min value is always -2, …

I am trying to define a 2D array of 1000 by 1000 ints and then test which transversal method is faster (row major or column major). I have this written [CODE] #include <stdio.h> #include <time.h> int main() { clock_t start, end; double elapsed; start=clock(); int array[1000][1000]; int row, col; for(row=0; …

hi guys, i am not able to declare the array dynamically in c will you help me out thanks

*EDIT-I know strtok doesn't actually 'return' a segfault-I realize after submitting topic that is poor wording. Hello, I am having a problem with the C function strtok, as follows: [code=c] void function_name (char * cmd) /* Gathered from another function using readline. Assume 'ls -l' in this example */ { …

hello........ I m studying MCA 1st year.... I want to do pure C mini projects...... I need a list of Projects on C platform........ So anybody help me please............

I wrote a small hello world type of character device driver. When I type echo -n "abcdef" > /dev/bond and do a cat /dev/bond then only last "f" of above input abcdef is displayed rest nothing is displayed. I have experimented many things but I am unable to catch the …

i make a program using C title HOTEL MANAGEMENT in which i want to print out of bill for customer then what is code for that plz... help me

How can i make a data base using C give an example and also give list of software required

Any idea how to implement a FIFO queue of chars in C? It doesn't need to be too fancy, just a fixed size (say 256 chars) and can't use any library functions (this is for a hobby OS kernel I'm writing, and there's not a lot of functions available for …

hi pls gelp me with my assignment.. i supposed to create a cash register program that will calculate customer's payment and change.. here's what i have so far.. [CODE]#include<stdio.h> #include<conio.h> int main(void) { printf("Welcome to Reddish Bar&Cafe"); printf("\n\n\Choose from the items below:"); printf("\n\n\n\Margarita= 25 bucks"); printf("\n\Beer= 10 bucks"); printf("\n\Martini= 35 …

Hi everyone, I'm a moderately experienced C coder trying to figure out the [B]execve()[/B] command. Here's the basic problem: My program takes a command from the user, loaded into the string UsrCmd. The string is tokenized and each token is loaded into ParaArray[]. Then ParaArray[] is used as arguments to …

this is an assignmentin which i have to create a programme which takes in two input arrays which are already sorted and outputs a combined sorted array. this has to be done by multi threading. we have to create a new thread to take the input of the arrays and …

[B]Hello sir... I want to know that if we can make a function that exactly works as clrscr() if yes then please give me some idea to implement that..I will try that...[/B]

Hello, I have this code that supposedly imitate a DTR for a homework. I've made the preliminary code, but I'm kinda surprised at the output since it's not what I had expected. Here's the code: [CODE] int login() { int id; char* name, log_time; time_t lt; lt = time(NULL); printf("\nPlease …

I am trying to divide a integer (2's complement) by a power of 2 and then round that number toward zero. I am only allowed to use bitwise operators such as shifts, ~ ^ & | etc. I've came up with 2 expression but they dont seem to work. Can …

Hello, in a project I'm working on I'm trying to load in the attributes/stats of soccer players. Each of the 22 players has 15 values that I need to store (330 total). I was wondering if there was a way for me to enter all these variables into a file …

This code calculates and the average waiting time of the process given acc to their burst time..It is a famous scheduling algorithm for process scheduling in operating sysytem . After calculating waiting time it also generates the gantt chart for the process given .

I migrated a c application using the cc compiler from AIX version 5 to Solaris 10. First, I compiled my application with cc compiler using Solaris 10. I did not use special compilation options and compiled without error. Then, I run the application and found the first buffer overflow, then …

Hi, I have the code to add elements at the end of the linked list using recursion. [CODE] //Adds an element at end using recursion #include<stdio.h> #include<conio.h> #include<stdlib.h> struct node { int data; struct node *link; }; void addatend(struct node **,int); void display(struct node *); int main() { struct node …

Hello. i wanted to generate the following series(pattern). [B]The captain of TITANIC is a mathematics freak. He has recently been given a problem that he is unable to solve. And he has asked your help to solve it. There are n numbers in a given expression. X1 X2 X3 .... …

Hi, I usually use C++, but I am working with some very old code and need to do it in C. So i understand malloc is used char *p; p = malloc(200); where 200 is the amount of bytes I need. and yes i know I need to use free. …

What is fflush(stdin)?What are the uses and application of it?

Hi, Can anyone provide some examples or materials explaining ANSI and Non ANSI C Standards? Need some examples for non Ansi C Stanadard. Thanks in advance, regards, senche

I'm trying to create a program to add two IEEE 754 floating point numbers, I'm pretty far into the program but I've come to a halt in the bit shift section of the algorithm. I have created a tmp variable to copy the mantissa(0's and 1's inside the char array …

I have a programming assignment which I must complete and I need help starting it. We can't talk about code with the professor or the TA so I thought I'd come here to try and ask. Pretty much were going to be given a text file. This text file will …

i 'm trying to make this program of a prime number in c language but ive not been able to do so,can any 1 of u plz help me out...i want to do 2 things... 1)First,test whether a number is prime or not 2)generate the series of all the prime …

Hi i have a problem in programming I need to search a line from a text file by just entering an identifier. Text File: "my Record.text" contents: 101,Carl Cool,500.00 102,Kurt Cobain,400.00 103,Kid Marion,300.00 the console should ask the id number.. ex. ID:101 and give the output: ID:101 Name:Carl Cool Rate:500.00 …

Just one question: Is the two dimensional array coordinates in C opposite to what the coordinates used in plotting in the CARTESIAN PLANE??? please answer and thanks

I am writing a program to reverse a string without using string functions available from standard library. Following code is giving me some error when compiling [code=c] #include<stdio.h> int main () { int i,j; char *p,*s,*g; p="abcdefgt"; i=0;j=0; s=NULL; g=NULL; while (p[i] != '\0') { printf(" %d %c\n",i,p[i]); i++; } …

Hey there, I'm having some difficulty understanding how pthreads are used for writing to files and reading from files using a buffer cache. There are two data structures available: 1- The first data structure is just an array of files each index contain information about the size of the file …

Hai everyone, I have one doubt... Can u please clarify this... If i put char a[10]="hai-hello" [I][CODE]if(strcmp(a[4],'-')==0)[/CODE][/I] then it will displays an error [B][I]strcmp' : cannot convert parameter 1 from 'char' to 'const char *'[/I][/B] Wat is the reason for this? Can anybody tell me

can u define languages?? by using turbo c?? can you give an example problem by using turbo c like if statement,while,do-while,nested if,modular,and sequential........

can a file other than a .h file be included with #include

Can any one give me an idea for compare these two values in double data type. I hope this if check always gets FALSE, Unfortunately It is TRUE condition. IF you know any solution,Plz suggest to me. # include <stdio.h> int main() { double g = 51.200000000000007; double h = …

Hi Folks, In my case i am passing the void pointer which will be assigned with some memory to the firmware; in return firmware will fill this void pointer and returns. My requirement is i have parse this filled data. But data filled by the firmware is complex. e.g it …

This is my instructions [ATTACH]17319[/ATTACH] [ATTACH]17320[/ATTACH] and i am using Dev-C++ 4.9.9.2 and i am using the Mingw compiler i am a beginner. and this is my code. [CODE]#include <iostream> #include <iomanip> using namespace std; void everything(); int main() { everything(); system("pause"); return 0; } void everything() { int a,b,k,sum; …

Just wondering how I can get the time the program was compiled into my code dynamically, I'm guessing it'll be through my makefile somehow but my Google-fu has failed today. Any help would be great! (GCC + make *only*)

Can anyone post the code to these? 2.1 Banner Write a program that outputs your unique name (no longer than 8 characters) in large capital letters that are composed of asterisks ”*” and spaces ” ” in a 6 × 6 For example, my unique name is: unix-prompt >> ./a.out …