[c] Forum Topics

Is there an easy way to convert from Char* to int? I have tried converting as such: [CODE]char* value_a; int* temp = value_a; int final = temp;[/CODE] The compiler is returning an error so I know something is wrong but why can't I convert this way? Any suggestions as to …

guys.. please check this program this is already running but i have no idea to insert a queue i need all your help guys as soon as possible. I hope that you will grant my request.. thank you... God Bless and more power.. [code=c] #include<stdio.h> #include<conio.h> #include<string.h> #include<iostream.h> #include<DOS.H> #include<process.h> …

For those of you who have been working for some time I'd like to find out what practical uses you have seen for recursion. I'm not talking about college courses or what you see in tutorials, but what programmers use it for in real-world programs such as system, applications, etc. …

Hi guys, I've got two loops, and I want to be able to continue; the outermost loop when the innermost loop finds something. How would I do that? [code=c] //(...) for (n = startStorage; n < quadcount; n++) { if (!notOptimized(n, optimized)) continue; int *x = &quadindex[n*4]; for (eachX = …

Can you use C to connect to SQL???

I have posted the related topic in the Java forum! Now, i am having a very differnet problem altogether. 1. i am being able to call the C program from the Java frame using a "Button" in the inteface. 2. But the problem i am facing now is that the …

[ICODE] #include<stdio.h> struct student{ int id; char name[30]; int mark; }; void main() { FILE*fp; struct student stud; int id_no; fp=fopen("data.txt","r); printf("enter id no : "); scanf("%d",&id_no); while(fscanf(fp,"%d %s %d",stud.id,stud.name,stud.mark)!=EOF) { if(id_no == stud.id) printf("%d %[^\n] %d\n",id_no,stud.name,stud.mark); else printf("Error !\n"); } fclose(fp); } [/ICODE] Hello Everyone,I am stuck at the …

Hi People, I have been given to work on this program written some 15 years ago for data acquisition but i cannot figure out how to get this to compile as i am getting a lot of compilation errors. Any insight would be highly appriciated. Thanks in advance argus [code=c] …

hi guys, I'm new to C language and am currently using an online tutorial, ive been doing prety well on my own until now. Basicly the problem is with the "while" command, when i copy and paste the code im working with from the tutorial site into a word pad …

When i run the program it shows the first line then blank i dont know whats wrong! [CODE]#include <cstdio> #include "simpio.h" #include "strlib.h" int main() { int i, d, t; printf("This program generates all perfect numbers from 1 to 100.\n"); t = 0; for (i=1; i<=100; i++) { for (d=1; …

i have been given a 2-phase compiler containig the lexical phase and the syntax phase as my final year project. for that i need to know how to call a C program from a Java applet using a button called "compile". A little help will make me thankful.

Suppose I have structure like: typedef struct { int a; int b; } my_struct; Is there any way to get/print the name of the fields of that structure (i.e. "a" and "b") programmatically?

Hey guyz.. I want to know how to print certain line from the text file and certain part of the record for example data.txt... [CODE] 123 John Smith 80 222 chris brown 50 325 christine 60 [/CODE] I only want to print out the name from the record in the …

Hi, I want to get the IP addresses list of a DNS or a DHCP. Any help like how to write the code in c, c++, or C# will be appreciated. Thanks in advance.

can you check the code... it doesn't work for some reason i tryied everything [CODE]#include <stdio.h> #include "genlib.h" #include "simpio.h" int Fibonacci(int fnum); int main() { int fnum; printf("Please enter in the Fibonacci number: "); fnum = GetInteger(); printf("The number for f(%d) is %d\n", fnum, Fibonacci(fnum)); system("pause"); } int Fibonacci(int …

Hi, I want to know how to program to find memory leak. my idea is to find whether there is a free() for every malloc before exiting the function. x() { malloc() .... if() { abc return; // thr is a memory leak as thr is no free n we …

Great to be part of this forum filled with enthusiatic people of computing world... Working as telecom professional in India... Love coding in C , C++ and like to discover the arcane topics associated with these languages.

Hi guys, This is John from Bangalore, India. Profession : Teaching (presently National Institute of Computer Technology) Age : 24 City : Bangalore Country : India I am a novice computer user. Wanna be web designer. Trying to improve whatever I required to be a Web Designer / developer. My …

Hello guys. Iam Aman Alam, from Lucknow India. i have just finished my computer grad and am now pursuing my masters. have been a pure java guy in my grad as i designed, developed, and leaded a software project for an Hotel in Lucknow. Iam also good in C and …

Hi All Guys few quick questions on C.. 1. What does "static void <function_name>(argument1,argument2)" means.. 2. Whether this would give a compilation error if i write this piece of code... int a =1 , b=2,c=3 ; (a=b)=c;

Dear All, I got difficulties here related with extracting max and min value from every column in array. So far i just can extract max-min value at a time by changing column index, stupid approach..eeeh, but i do it just for testing that code could extract right max and min …

Hello guys, I m very much new on C. Need all of your help to improve. Right now I m getting one problem. I m writing the very basic program.. [code] #include <stdio.h> int main() { printf("Hello World!\n"); return 0; } [/code] When I complie it is showing success. But …

hi to everyone!i need help for my assignment in our numerical analysis.our instructor asked us to solve a linear equation using turbo c language.Can anyone help me with this problem,a simple sample code will do.Ex.f(x)=2x^3+x^2

i created a header file named "pop.h" and saved in tc->include folder.......the codes included in header file is shown below [code]#include<stdio.h> #include<conio.h> int ssipower(int,int); void main() { clrscr(); printf("power=%d",ssipower(3,3)); getch(); } int ssipower(int a, int b) { int i,c=1; for(i=1;i<=b;i++) { c=a*c; return c; } [/code] when i tried to …

I am trying to get the main to read in a number, and use that number to do a mod calculation. However my best efforts are giving me garbage values. I am sure I am not using the pointer correctly, yet my efforts have gone unrewarded. How can I get …

Also do tel me what is the process of creating functions in seperate files and referencing them under a single file. I use a dev-C++ for my coding

I have source code written in assembly for a radio tag and we need a quick way to change the id number each time it is programmed. My background is in C and I want to know if there is an equivalent to C's #define statement in assembly. The #define …

Hi Everybody, I need a Guide For helping in my Linux Programming. I am interested to kernel development Programming. I done B.E-Electronics and Communicatiion Engineering. I know the Basics of C. So Help Me to Step by Step On my new programming like how to compile?, how to debug?, which …

Hi, sorry if this has been asked before I did a search but couldn't find it. How do I define a pointer to a 2D array? (I am trying to pass it into a function). Thanks.

Ive been trying to create a number guessing program were the program guesses your number instead of the user guessing the programs number heres what i have so far: [code=c] #include <stdio.h> int main(void) { int guess = 50; printf("Pick an integer from 1 to 100. I will try to …

Hi I need some ideas to force MQGET call fail on receiving interupt signal in AIX O/S. Thanks in Advance

Greetings! I would just like to ask you guys something. I am planning to create my mini 3d game...Do you guys know any good steps to start with....I have programming knowledge in C, C++, Java, Javascript, Perl, Php and Openlaszlo... I am also studying LindenScript and OpenGL.... Can anyone provide …

Hello, I am trying to figure out how to use memory blocks and create a block of data that contains different data types within it. In my particular example I want a pointer to a memory block that contains a struct followed by an array of floats. This is what …

can anyone in here help me with my programming project. Your C program must be invoked exactly as follows: shell [batchFile] The command line arguments to your shell are to be interpreted as follows. batchFile: an optional argument (often indicated by square brackets as above). If present, your shell will …

After finishing my lesson on loops and array initialization i managed to sit down for a good 15 min. and right a calculator now the code is perfectly clean but when i run it i doesn't do what i programmed it to do..here is the code [code] //*********************** //* //* …

I have a codein which i want to do the following: main(int argc, char *argv[]) { fp1=fopen(argv[1], "w") function(para1, para2, ??) } function(para1, para2, ??) { fp2= fopen(argv[2], "r") } So eesentially i want to pass a few parameters and the pointer to the function. I dont know how to …

I am trying to create a simple C program that uses HandBrake (video converter). The only way to run this program is to have one of the (in my opinion) crappy GUIs or to type out all of the arguments in the command line. My program is simpler than the …

I just started teaching myself c with a book called practical c programming, and i can't figure out one of the exercises. I'm supposed to write a function that scans a character array for the character - and replace it with _. I tried doing it, but i don't think …

O.k i searched the site but didn't find anything related to my problem. all ive done is made a simple calculator using the "else if" command. I'll post my coding and compiler errors below. [code] #include <stdio.h> main() { int valid =0; char operator; float number1,number2,sum; printf("calculator\n"); printf("number\t operator\t number"); …

This is a very quick and easy question: How do I move a literal value into a register? I need to move the value 2 into a register with address 0x0800 of a dsPIC30F6014A. I have tried the following: [CODE]MOV #0x0002, [0x0802];[/CODE] but I get an error message stating "Invalid …

I need to know can i make a for loop to place fopen function to open a set of files like i want file1.in file2.in file3.in .......filen.in so on depending on n value i give for num of files to be created ... as i want to place set of …

I tried creating a program that computes for a factorial of a number. So assuming that the user has entered a SINGLE digit number like '5' the output would be '120'. Every input is a hexadecimal so I converted the input '5' hexadecimal into it's decimal version and there were …

How to make frequency counter programming use AT8953

I am trying to to Develop a Dictionary in C and it is completed almost . I want to create a List box (Auto Complete) Function . I created the List box as same as the image . And loaded the array into it . Initially the list is A-Z …

i got sent to this site because i needed help compiling a/3 source codes... thank!

HI I would like to pass new argument to cureently running process with out interuption in unix using c code can any one Idea on this Please suggest Thanks in Advance Madan

hello all...i need help with the code below.. [code] #include <stdio.h> #include <windows.h> main() { MessageBox(0,"hello world","hello world",0); fflush(stdin); getchar(); } [/code] now i know it is perfectly clean code...but the problem is if i put 2 messagebox functions linke this [code] #include <stdio.h> #include <windows.h> main() { MessageBox(0,"hello world","hello …

i am trying to write a program that finds all twin primes between 1 and 100. any suggestions? [CODE]#include <stdio.h> #include "genlib.h" #include "simpio.h" int main() { int n1, n2, y, x; printf("This program list all the twin primes.\n"); for (y = 3; y <= 98; y += 2) { …

Hi all, I am new to C on linux and have a question about I/O. I am trying to read input from the command-line: printf("What is your first name? "); scanf("%s", firstName); printf("What is your last name? "); scanf("%s", lastName); printf("What is your age? "); scanf("%d", &age); printf("What street do …

I'm getting an error msg as Type mismatch in redeclaration of 'putw' for the following code... Can anyone suggest the reason for this??? [code]#include<stdio.h> union pw{ short int i; char ch[2]; }; int putw(short int num, FILE *fp); int main() { FILE *fp; fp=fopen("test.tmp","wb+"); putw(1000,fp); fclose(fp); return 0; } int …