[c] Forum Topics

Hello, I have spent numerous hours re-working this code and I hope someone can clear up my confusion! This program asks the user to enter a file name which will then create and display that file with a poem in all caps. The user is again prompted to enter another …

Ok, I'm using gcc in ubuntu to compile. Below is a boggle solver that basically loads a dictionary.txt file and then you would input a 5x5 grid of letters like below into the letter[][] array a b c d e f g h i j k l m n o …

hi all , can i access the parallel port using c`s assembly language syntax and using windows 98 se as the os or xp if i could (dont think xp is possible though, i dunno?) AOAP Thanks for reading , gruffy bw , if is possible can i get direction …

i have a few .c files, pro3.c is the only file that complies without a problem however when i go to compile the other ones i get a error message: warning useless storage class specifier in empty declaration, i was hoping someone could tell/show me what i am doing wrong. …

Hello, world! This is my first post on DaniWeb, though I have frequented it quite often. I'm using gcc and make (on Ubuntu 10.10) with GVim for creating a foundation library in C. Within my code I've built in rudimentary profiling and assertion policies that are enabled through a symbolic …

[CODE]I'm having trouble calculating the right interest expense. The solution for interest expense is 2294.48 but cant get it. #include <stdio.h> #include <stdlib.h> #include <math.h> int main () { double P,R,Y,M,X,A,MP,T,I; printf("Enter the Principle:\n"); scanf("%lf",&P); printf("Enter the Rate:\n"); scanf("%lf",&R); printf("Enter the Years:\n"); scanf("%lf",&Y); R = R/1200; M = Y * …

how do i move the value of %eax to the memory location of %0 [CODE] int size 10; long *list = (long*) malloc(size*sizeof(long)); asm( movl $999, %%eax movl %eax, (%0) // this is what im trying, how do i fix it? :"=r"(list) :"0"(list), "a"(strLen) );[/CODE]

i have this function for dealing cards in card game. it is working fine, but i cant figure out how to pass a variable in it. Here is what i mean: This function will deal 5 card. but the user should have the option to change 1 or multiple cards …

ok.. so im trying to make a function to find a par of cards with the same suit value for a game of 5 card poker. Here is what i have so far: my main: [CODE] int main (void) { /* initialize suit array */ const char *suit[4] = {"Hearts", …

Create a program that is a Point of Sales (POS) system for a restaurant. Your POS system should allow unlimited orders from any number of guest. Each guest should be able to order a drink, an appetizer, an entree, and a dessert. The program should present a total. In addition, …

main.c [CODE]#include "stack.h" #include "stack_interface.h" #include "lex.h" #include <stdio.h> #include <stdlib.h> #define PUSH(s,c) if(push_char(s,c) == ERROR){ printf("Fatal error in pushing symbol on stack.\n") ; exit(1) ; } #define POP(s,c) if(pop_char(s,c) == ERROR){ printf("Fatal error in poping symbol off stack.\n") ; exit(1) ; } #define TOP(s,c) if(top_char(s,c) == ERROR){ printf("Fatal error …

Hello Sir, I have an assignment to do, my question is:-- Given the set of integers, find the sum of all positive integers in it. [B][U]Input[/U][/B] t – number of test cases [t < 1000] On each of next t lines given a integer N [-1000 <= N <= 1000] …

im reading a character given by the user through the keyboard . now ,what is correct : if ($gramma == s) then OR if ($gramma == 's') then where s is supposed to be the character given by the user . if its not any of that whats the correct …

hi I need a C function to return a value to getch() until don't press a key .Please help me

Suppose you want to develop a program to play lottery. The program randomly generates a Lottery of a two-digit number, prompts the user to enter a two-digit number, and determines whether the user wins according to the following rule: If the user matches the lottery in exact order , the …

I have a c++ program that uses the rand function and the srand function. It worked fine when I compiled it on my windows machine, but I got errors when trying to compile it on ubuntu linux. After I included cstdlib the program worked fine on the linux too. 1. …

[CODE] I am a novice programmer and need help..... #include <stdio.h> int main (void) } int n1=2; int n2=0; n2= (++n1) + (++n1); printf("Result= %d",n2); return 0; } Result= 8 How is this possible?? Similarly, #include <stdio.h> int main (void) } int n1=2; int n2=0; n2= (++n1) + (++n1) + …

[CODE]myuser@linux:~/Desktop$ gcc -nostdlib -Wl,-dynamic-linker,/home/myuser/Desktop/ld-linux-x86-64.so.2,-rpath,/home/myuser/Desktop libc.so.6 libgcc_s.so.1 simple.c myuser@linux:~/Desktop$ ldd a.out linux-vdso.so.1 => (0x00007fffbf5ff000) libc.so.6 => /home/myuser/Desktop/libc.so.6 (0x00007f308b7ae000) libgcc_s.so.1 => /home/myuser/Desktop/libgcc_s.so.1 (0x00007f308b598000) /home/myuser/Desktop/ld-linux-x86-64.so.2 => /lib64/ld-linux-x86-64.so.2 (0x00007f308bb11000) myuser@linux:~/Desktop$ [/CODE] Which ld is being used, the one on the Desktop or the one in /lib64 ? What options do I have to use …

Hi all, I was asked to write a shell program in c in unix....basically what i would like to include are the use of dup2 to implement redirection ( < or >) and the use of dup2() and the pipe() system call to implement the '|' symbol on the command …

I have several questions regarding OS programming. 1 - How do they write Operating systems? 2 - Do you know what compilers is used to do that (or library)? 3 - Do they have to burn it to a CD and reboot the computer every time they test it? 4 …

Hi everyone. I'm having a little trouble trying to debug this code I made. What I am trying to do is add two numbers each up to 255 decimals. What I did was put the numbers (input by the user) into a string, convert it to BCD, add them, convert …

Hello firends , i am new here.. am interested in programming languages... here am sharing some useful graphics codes [B]1.solar system using C[/B] [CODE] #include<stdio.h> #include<graphics.h> #include<conio.h> #include<math.h> #include<stdlib.h> void main() { int gd=DETECT,gm; float i=0,j=100,me=75,ve=23,ma=105,ju=175,sa=10,ur=300,ne=200,pl=175,s=0; int x,y,k,si,sx=random(300),sy=random(400),X,Y,ss; unsigned int earth,moon,mercury,venus,mars,jupiter,saturn,uranus,neptune,pluto,sunsize; void *ear,*moo,*mer,*ven,*mar,*jup,*sat,*ura,*nep,*plu,*sun,*ships,*ships2; x=300; y=210; initgraph(&gd,&gm,"d:\\tc\\bgi"); setfillstyle(1,10); setcolor(2); fillellipse(50,50,13,13); earth=imagesize(35,35,65,65); …

Hello all,quick question. I have to (not my option,has to be that way) make an array with huge length, definitely more than 100.000 ,maybe 1 million. But if i use a non-integer position counter (don't know the english word for it, like myArray[i] and i is not integer) i get …

I have a file with 190 lines, that goes something like this: [QUOTE]Antigua,English,Local dialects Bahamas,English,Creole Barbados,English Belize,English,Spanish,Mayan,Carib Canada,English,French Costa Rica,Spanish,English Cuba,Spanish [/QUOTE] First field is the country, following fields are the different languages spoken in that country. Since some countries have more languages than others, I am stuck trying to …

We have to write a program to convert a user entered Kelvin temperature to either celsius or fahrenheit and also display the state of the water. I found the same question on here and used it to fix some problems I was having, but I still can't compile and I …

I'm trying to get a C version of this game working on my computer using gcc on ubuntu. [url]http://www.lemoda.net/c/boggle/boggle.html[/url] I have no need for a pearl script or anything since I just have a simple dictionary text file and want to be able to just load in the text file …

Hello, I have a question regarding reading a txt file and then putting the info in a link list. the problem is that the file contains 3 things to read a letter, a username and a password in the below format: S P2-output1.txt A Hanna hdfjuju first i must read …

Dear Frnz, I am new to this community.....I wanted help from you guys... I want to clear as well as strenghthen my concepts of data structures...I am planning to implement them in C.....I am follwing [B]Tanenbaum[/B]...but i am not completely satisfied with it..... Can you guys suggest which can be …

hi to all, i want to know how to compiler tsr programme using the borlandc v3.1 compiler anyone know plz guide me what is the command to compile and moreover what are the runtime directories that are we set for tsr programe or generating for .com file i will be …

I tried a lot to understand the code, but unable to get it. Help me with this code. [CODE]main(t,_,a) char *a; {return!0<t?t<3?main(-79,-13,a+main(-87,1-_, main(-86,0,a+1)+a)):1,t<_?main(t+1, _, a ):3,main ( -94, -27+t, a )&&t == 2 ?_<13 ?main ( 2, _+1, "%s %d %d\n" ):9:16:t<0?t<-72?main(_, t,"@n'+,#'/*{}w+/w#cdnr/+,{}r/*de}+,/*{*+,/w{%+,/w#q#n+,/#{l,+,/n{n+\ ,/+#n+,/#;#q#n+,/+k#;*+,/'r :'d*'3,}{w+K w'K:'+}e#';dq#'l q#'+d'K#!/\ +k#;q#'r}eKK#}w'r}eKK{nl]'/#;#q#n'){)#}w'){){nl]'/+#n';d}rw' i;# ){n\ …

Hello, been trying to work out my code. but somehow it doesnt work at certain parts. can't use math.h by the way. [CODE]#include <stdio.h> #include <conio.h> int main(void) { int input,ans,i,total,j; int hex[16]={0},counter=0,hexadecimal1=0,hexadecimal2=0,hexadecimal3=0,hexadecimal4=0; char value,value2,value3,value4; char hexadecimal[17]={0,0,0,0,0,0,0,0,0,0,'A','B','C','D','E','F'}; printf("enter value:"); scanf("%d",&input); while(input>0){ i=1; ans=input%10000; input/=10000; while(ans>0){ total=ans%10; ans=ans/=10; j=total*i; i=i*2; hex[counter]=hex[counter]+j; …

Is there any alternative to return 0.? [B]*void main() should not b use as an alternative.[/B]

I've seen some programs made with ncurses, and I think it would be really cool to use it in my project for school. Problem is, I have no idea how it works and can't seem to find much, if even anything, about it. Can someone maybe help me a bit? …

I dont understand how the C/C++ language is portable? 1.) What makes a program compilable on 2 different O/S's? 2.) Doesn't this depend on the O/S manufacturer? How does Microsoft do this? 3.) What determines wether a language is portable or will only work on one operating system?

I'm suppose to translate a virtual address to a physical address with the use of a fully-associative page table. It compiles but it won't run. Can anyone help me and point out the errors :P THANK YOU! [CODE]# include<stdio.h> # include<stdlib.h> /* Declare global vars */ int ms; int ps; …

Hey guys, I have an integer validation problem.. i wanna validate integers for fractions where the numerator must be 0 <= num <= 20, and the denominator must be 1<= den <= 20.. and later on i want to multiply them together and simplify, but only the validation has a …

I'm trying to create a C console program that produces a directory listing (one filename per line) of all files matching a specified filename pattern. I'm kind of clueless as to where to start and was wondering if someone could give me a boost? I'm mainly a C++ coder but …

Hello all. I seriously need some help with eclipse for C installation because i haven't got this stuck and angry since 10 years ago when i was a kid and got my first pc,and couldn't install audio drivers :P. Okay,lets get to the point.Here are the issues: I used to …

I cannot figure out number 3 and 4. Median and standard deviation. I think i am close but not getting the right answer. Any ideas? Thanks. /* 37 April 2011 Assingment: Project 2 I revision 1,2,5,6,7 and comments and formatinng done.. need 3,4 Description: Implement a menu system managing an …

Errors when compiling. its seem to be complaining about line 52 and i do not get output of second file.(data.words) strarray[numStrings++]=strdup(word); $ gcc -Wall -ansi prt.c -o prt In function ‘main’: warning: implicit declaration of function ‘strdup’ warning: assignment makes pointer from integer without a cast [CODE]#include <stdio.h> #include <stdlib.h> …

The name of our project is 'microcontroller based serial debugger',it consists of AT89s51 microcontroller and a LCD display the idea of the proj is that by using 1 main debugger program we have to control the LCD rolling display program.first we have write the debugger program and right below that …

Hello... I'm learning C with "The C Programming Language" book, and I'm stuck at exercise 1-10 which asks to: "Write a program to copy its input to its output, replacing each tab by \t, each backspace by \b, and each backslash by \\. This makes tabs and backspaces visible in …

Even after looking at a lot of books, I am not able to understand the problem in the following code: [CODE] //1.c static int y=23; void abc(int a){ printf("%d\n",a); } [/CODE] [CODE] //2.c #include<stdio.h> #include "1.c" int main(){ abc(12); printf("\n"); printf("%d\n",y); return 0; } [/CODE] I can understand that the …

I have a simple program to run the Romberg algorithm however when I tried to compile it, it keeps returning that error: conflicting types for 'vector' and error: conflicting types for 'free_vector' I really cannot see why this is happening. Would you be able to advice? [CODE=c] #include <stdio.h> #include …

Hi! I have to do 2 different codes for my task. I finally did the 1st and now I need to do the 2nd one too. But I don't know the way to do it differently. Do anyone know how to make this code more simple? It needs to have …

Any tutorials on how to use CFile or any other, to open a text file, get what's inside into memory, e.x Link List, and then put it back into text file when done? Please link me or guide me through this problem. Trying to get a Payroll system going.

Hello, Can someone please explain to me because i do not understand the tutorials on pointers. anyways i have a struct: [CODE] struct driver { int id; char name[30]; int runs; } //I am reading a file which goes in order ID NAME RUNS as: 1 Super Man 5 //I …

hello sir. i am trying to create a program that will perform read/write operation on csv file. i am using structure. my structure and code is as follow: struct item { int item_no; char item_name[20]; float rate; }i1; main() { . . fprintf(fp,"%d,%-20s,%.2f\n",i1.item_no,i1.item_name,i1.rate); . . . fscanf(fp,"%d%*c %s%*c %f",&i1.item_no,i1.item_name,&i1.rate); printf("%d …

Suppose there are n ducks floating on the pond in a circle. The pond is also home for an alligator with a fondness for ducks. Beginning at the 1st position, the alligator counts around the circle and eats every mth duck (the circle closing as ducks are eaten). For example, …

hi all, hop all r fine. i want source code of "Apriori Algorithm for finding frequent itemsets" in c/c++ or any other language. can anyone plz send me that. i'll be realy v thankful.