[c] Forum Topics

hey i was reading some stuff about windows i was wondering if file is loaded at virtual memory and let's say we load many files at once wouldn't that cause thrashing ? or exucatables are loaded into RAM then copied to virtual memory of hdd ?

HI , I am a student in an university... I am assigned a project about the knight's tour on the chess , but must use the Warnsdorff's rule ... rule : Put a knight on the chess with any square , and find all patchs of knight (knight pass each …

i wanted a c program for aztec ecg data compression technique....plz i require it in 1 day...

Will someone please check this and tell me if I did this problem correctly. The question is presented bold; I also need help with push. I couldn't figure out how to complete the definition or routine for it. I am not very good at big o notation to determine if …

Hi, I am writing a reverse function, to reverse a string, but when I am compiling I am getting an error, and I know its from the malloc line of code. This is the first time i have used malloc, but I want the function to work for any length …

Hi! how do you get this output? Income for the current pay period : -24 **Value must be greater than 0.0 **Try again. : 24.. **Trailing character encountered **Try again. : 24 When it gets a value higher than 0 it ends the program i typed the few codes for …

Hi, I am trying to write a simple program that stores a user input in a c-string,and will then print out each character (I)diaganolly across screen and (II) each character on a new line. The problem im having with this,and with c strings entirely,is that it keeps printing out random …

A small function which reverses a c-string by just swapping the elements :) ... Usage:: [CODE=C++] char[] str = "hello"; reverse(str); // str now contains "olleh" [/CODE]

give me the perfect program like that output.[code]#include<stdio.h> #include<conio.h> void main() { int i,j; int a=15; int b=30; clrscr(); for(i=0;i<=a;i++) { for(j=0;j<=b;j++) { if(i==0||i==2||i==a) { if(i==0||i==2) if(j==0||j==b-4||j==b) printf("+"); else printf("-"); if(i==a) if(j==0||j==b) printf("+"); else printf("-"); { if(i==1||j==14) printf("mywindow"); if(i==1||j==28) printf("X"); } } if(j==0) if(i==1||i==3||i==4||i==5||i==6||i==7||i==8||i==9||i==10||i==11||i==12||i==13||i==14) printf("|"); else printf(" "); if(j==b) if(i==1||i==3||i==4||i==5||i==6||i==7||i==8||i==9||i==10||i==11||i==12||i==13||i==14) …

1. Write a program to implement a static circular queue. It should include the following functions: i) Enqueue – To add an element to the end of the queue [4] ii) Dequeue – To remove an element from the front of the queue [4] iii) IsEmpty – To check whether …

#include<stdio.h> #include<string.h> main() { char STR1[100]; int i; clrscr(); printf("Please input a STRING.\n"); gets (STR1); printf("\n%s is displayed in reverse form as:\n",STR1); for(i=strlen(STR1)-1; i>=0 ; i--) { printf("%c",STR1[i]); } getch(); }

Hey guys, I have just written C program that calculates the force of a body using F = ma but there is some sort of problem occuring , could you please help me fix the error.

So I've got an assignment for class. The point is to read in characters to a string. If there are 7, print the 7. If there are 10, print the 10. Less than or more than, print an error. It is also supposed to convert keyboard characters into their associated …

Displays which partitions are on which physical hard drives and shows partition starting offset and length. Developed and tested under XP using a Borland C++ compiler. Code is not provided for the private includes, but changes to make to code work are trival. References to werrtxt() and format() can be …

Hi I've forgot how to make an array that will get its length from users. prefer using pointers. thanks

How can I Write a C language routine that defines a function mult(). The function mult() is supposed to perform scalar multiplication on the two vectors ‘a’ and ‘b’, and returns the vector ‘c’, such that c=a.b. Also, it pads zeros ‘0’ to the smaller of the two input vectors …

hey i tried to make a program to find an item in an integer array using binary search technique n by iteration with the help of functions...but i am getting errors....so plz help me out..

how can I make a program that inputs the month and year. and then should output the days of the month. -january, march, may, july, august, october, and dicember have 31 days. -april, june, september, and november have 30 days. -february has 28 days in non-leap years and 29 in …

how to scan arrrow keys in c

I wish to write a program that works in the background, i.e. without showing any windows. Someone prescribed i try this: <code> #include <windows.h> int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) { while(1) { Sleep(1000); } return 0; } <code> but its not working. it still shows …

Q#1: Write a program that recognized whether input character is an uppercase, a digit and special character. Q#2: Write a program that takes an integer number up till 5 digits and then calculate the sum of integer numbers. For example: 1234, its output will be: 10. Q#3: Write a program …

How will i convert this binary code"10110111" into decimal value? I have used the following codes [code=c] #include <stdio.h> main() { int n,track,sum,num; printf("number: "); scanf("%d%d%d%d%d%d%d%d%d%d%d", &n1, &n2, &n3, &n4, &n5, &n6, &n7, &n8, &n9, &n10, &n11); { sum=0; num='n1'*2+'n1'; sum=sum+num; } }[/code]

Hello you guys. Im writing a program that calculates 4 parameters: velocity, acceleration, distance, time. Part of my program is to implement an output that adds all the times and prints it into min and seconds and the type that im working with is float. The problem that im having …

ı have a hw about multiplying [COLOR="Red"] very large[/COLOR] numbers.For example we can't use standart data types for multiplying two numbers which have twenty digits two each.So the doctor wants me to achieve that by[COLOR="Red"] Link List.[/COLOR] i'm responsible that holding these large numbers (multiplicand,multiplier and result) in link list.And …

I have a question: [CODE]#include <stdio.h> char * chstrswithf(char * a) { while(*a!='\0') { if(*a=='s') *a='f'; a++; } return a; } int main(void) { char string[]="this is a string"; chstrswithf(string); printf("%s \n",string); return 0; }[/CODE] the code above is ok for running. but when I replace the [COLOR="Red"]char string[]="this is …

I have this linked list. I am sorting the names of the contacts. The head and middle insert part are already working, but when I need to insert in the tail part, the program won't continue, I don't know why. Please Help. Thanks! here's the code : [CODE] #include<stdio.h> typedef …

Yeah, I'm stumped on this one: I need to get user input from a keyboard, with some problems involved: [LIST=1] [*]I'm using an OS I created [*]I do not have access to any standard includes [*]I need to code the function myself [*]I'm in protected mode [/LIST] Any help would …

Hai2... everyone... who's in this forum... I'm Michael from Indonesia... I want to ask... How to Call Microsoft Visual C 6.0 Object file from Borland Delphi 7.0?? Please Response... Thank You. SNIP

what is the difference between fread() and fgets()?

a program that will ask a location and selete the item in that location[code][/code]

Code written and tested using the Borland C++ compiler. Code uses access() to determine if an input string exists either as a directory name or as a file name. If access() fails, the string is neither a file or directory and the function terminates. If it does exist, the name …

HEY I JUST NEED TO PUT THE FOLLOWING: IF((N == 2) && (T CAN'T BE DIVIDED BY 4)) how can I put: CAN'T BE DIVIDED BY 4? I know divided by 4 is : (t / 4). but can not be divided by 4?

Hello, i have trouble with creating funkction that will remove white spaces if they are more than 1 in a row i have created this function so far [CODE=c]void VymazBiele() { int c; while ( (c = getchar() ) != EOF ) { if (isspace(c)) { putchar(' '); while ( …

Hi, Im having a bit of trouble with a problem: Basically, I have an array with a set size,for example [CODE]my_array[40][/CODE] I am trying to figure out how to tell if it has less than 20 characters filled,and if it has more than 20 characters filled. I have tried the …

#include<conio.h> #include<stdio.h> main() { int a,b,c; clrscr(); printf("enter your first value:"); scanf("%d",&a); printf("enter your second value:"); scanf("%d",&b); printf("enter your third value:"); scanf("%d",c); if(a>b && a>c) { printf("first value is greater"); } else if(b>a&&b>c) { printf("2nd value is greater"); } else if(c>a&&c>b) { printf("third value is greater"); } getch(); Code runs …

I've just started started socket programming so there's a few things I'm wondering about: I found a set of socket programming codes here: [URL="http://cs.baylor.edu/~donahoo/practical/CSockets/textcode.html"]http://cs.baylor.edu/~donahoo/practical/CSockets/textcode.html[/URL] And the thing I don't really get is here in TCPEchoClient.c: [CODE]while (totalBytesRcvd < echoStringLen) { /* Receive up to the buffer size (minus 1 to …

Hi, I have 2 hexa arrays of 8 bytes and need to do an xor of them, something like this: [CODE=C] unsigned char xorBufferTemp[8]; unsigned char bufferHexas1[8]; unsigned char bufferHexas2[8]; [/CODE] I'd like to make something like that ... [CODE=C] for (i=0; i<8> i++) { xorBufferTemp[i] = bufferHexas1[i] ^ bufferHexas2[i]; …

th program i made does not work!!! it should input an integer between 1 and 9. and then output a palindrome. for example if i input 5, the output should be 123454321. if i input 1, it should output 1. and so on... this is the program i made: #include …

hello! I just made a palindrome. that inputs an integer between 1 and 9, and should output: for example if i imput 5 output :123454321 if i input 1 output: 1

Please I need a help only in ansi c. I have an array of hexa values, for example: int N=3; char myHexas[N]; myHexas[0]=0x12; myHexas[1]=0x34; myHexas[2]=0xAB; I need to have a new array with the following: myStrings[N*2]; myStrings[0]='1'; myStrings[1]='2'; myStrings[2]='3'; myStrings[3]='4'; myStrings[4]='A'; myStrings[5]='B'; Any ideas should be great. Thanks in advance, …

can someone tell me what those %7 and %4 means? I've tried solving it using calculator but my answers are really different from this code? [code]#include<stdio.h> main () { int year=1996, daycode; daycode=((year-1)*365+((year-1)/4)-((year-1)/100)+((year-1)/400)+1)%7; printf("%d",daycode); } [/code] and also this one [code]#include<stdio.h> main () { int year=1996, leapyear; leapyear=(!(year%4)&&(year%100))||!(year%4); printf("%d",leapyear); } …

Hello! I am trying to read a value from the registry, but I can't get it to work. Everything compiles, but RegQueryValueEx keeps producing an error. this is the code: [code lang="cplusplus"] #include "stdafx.h" #include <windows.h> #include <iostream> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { HKEY hKey = …

Hi i am writing a program to convert a user entered integer number into its binary representation, the aim is to repeatedly ask the user to enter a value then output the number in binary and when 9999 is entered end program, i've managed to make it work with positive …

im trying to separate words from a sting, whem the code replaces the space for the ' \0' i need to increment the "pos" so i can continue read the array the code so far is this [CODE= c] #include <stdio.h> #include <stdlib.h> #include <string.h> #define MAX 100 void separa_pal(char …

I finnaly got working the program with <ncurses.h> in the virtual box that i put Ubuntu. A test program for handling the screen is given to us, [U]this:[/U] [CODE]#include <ncurses.h> int main(int argc, char **argv) { int X = 10; int Y = 10; int ch; initscr(); noecho(); keypad(stdscr,TRUE); move(Y, …

hello guys, i have this code in java.but i need to convert to c.but i dont know java at all.hope u can help me.thanks for advance [CODE] public class Main { static int t_value=2; static int no_of_parameter = 0; String binary_setting; static int data[]; static ArrayList<String> constraint = new ArrayList<String>(); …

0,0 0,w-4 0,w +------------------------------------------------------+---+ | My Window | x | 2,0+------------------------------------------------------+---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | …

0,0 0,w-4 0,w +------------------------------------------------------+---+ | My Window | x | 2,0+------------------------------------------------------+---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | …

Hi. I have this codeline: [CODE=c]fprintf(file, "The\necake\nis\na\nlie");[/CODE] When I compile and run in Linux it outputs nicely like so: The cake is a lie but when I compile and run in Windows (Vista), using cygwin, the newline doesn't work and output is like this: Thecakeisalie Anybody have an idea why?

Please help me find the endless loop and how to fix it: [QUOTE]blade71(555)% showxbits_2 32 in itox, processing 32 Test Value (b div 16): 2 Value of b: 32 Value of b (# mod 16): 0 [/QUOTE] [CODE]/* * stubs for functions to study * integer-hex conversions * */ #include …