[c] Forum Topics

Hi. The objective is to sort an array of doubles. My effort is listed below: [CODE=C] #include <stdio.h> #define MAX 10 void sort( double* n[], int q ); void print_nums( double* n[], int q ); int main( void ) { double* nums[MAX]; int i; for( i = 0; i < …

[code=c] #include<stdio.h> #include<string.h> float avg(float); main() { FILE *p[2]; int k,students=10,subjects=4,i,j,id_number,date_of_birth,fail=0; float marks[100],total=0,avg; char name[30],course_enrolled[30],filename[10]; for(i=1;i<=2;i++) { printf("filename"); scanf("%s",&filename); p[i]=fopen(filename,"w"); printf("Enter Name of Student\n",p[i]); fscanf(stdin,"%s",&name,p[i]); printf("Enter Course In Which Student Is Enrolled\n",p[i]); fscanf(stdin,"%s",&course_enrolled,p[i]); printf("Enter ID Number Of %s Enrolled in Course %s\n",name,course_enrolled,p[i]); fscanf(stdin,"%d",&id_number,p[i]); printf("Enter Date Of Birth Of %s Enrolled …

please tell any website for study of hexadecimal objective programs or Questions in C.

Hello, I'm normally the Java programmer here, but we got some old stuff running Pro*C.....anyway this is my error: myprops.c: In function `my_setupPropertyCursor': myprops.c:10931: error: called object is not a function Here's the code: [code=c] /*================================================================ Name: mylibprops.c Compile myprops to include this code. 10/29/04 -- MG -- Convert to …

Hi there: I need to copy character data from one class A to another class B. In Class A, I defined a character variable: char v1[30]; In Class B, I defined another character variable: char v2[30]; In Class A, I read v1 from a txt file and want to copy …

I'm unable to make these programs and have to submit on thursday!!:'( [COLOR="Red"]Q. Make a header file that contains the function definitions of all the function prototypes defined below: • int strlen(char *); • void strcpy (char*, char*); • void strcat(char *, char *);[/COLOR] [COLOR="Red"]Q.Using unions, write a program that …

Wow. It's kinda strange to even consider that I am taking part in the creation of an operating system... It really wasn't that long ago that I wasn't even capable of writing a functional program... I owe a good portion of my achievements to you posters here on DANIWEB (especially …

[QUOTE]There is no place for mediocrity in the world. [/QUOTE] ProbleM: i am programming in language c on linux platform .After including one particular function my scanf start returning value -1 and error no is 4(EINTR) . And after first time taking input from user it runs correctly and then …

Hi. Objective: Write a program that declares a 12*12 array of characters. Place Xs in every other element. Use a pointer to the array to print the values to the screen in a grid format. Listed below is my non-functional attempt. Any help would be most appreciated. Thanks, Molly [CODE=C] …

[code=c] typedef struct _node{ char *name; char *desc; struct _node *next; }node; #define HASHSIZE 101 static node* hashtab[HASHSIZE]; char* m_strdup(char *o){ // the m_strdup function....... int l=strlen(o)+1; char *ns=(char*)malloc(l*sizeof(char)); strcpy(ns,o); if(ns==NULL) return NULL; else return ns; } int install(char* name,char* desc){ unsigned int hi; node* np; if((np=lookup(name))==NULL){ hi=hash(name); np=(node*)malloc(sizeof(node)); if(np==NULL) …

Hi I have to make a C program which has to perform a specified event at a specified time. Something like this... [code] Print Hello at 13:15 Print Bye at 14:20 Print working at 13:57 [/code] Assume that these instructions are already available. I am thinking of creating a doubly …

hello. iam n pramod kumar from india(andhra pradesh) iam a BE graduate iam interested in c and c++ language i love to play cricket and computer games

Hello, Could you explain me what this statement means? I am confused with k/=2 as iteration statement. [icode] for (int k = p; k > 0; k /= 2) [/icode] Thanks

hi, i am doing my MCA & i am new to c & C++ :). I require your guidence to study & learn about C++. I dont know its my inablility or lack of practice, whats the best way to learn this.........any one your suggestion plz thanks regards shashi

I am creating a new sorting algorithm as a machine problem and i encounter difficulties. The logic of my said the said algorithm is to create an array by inputing the total numbers to be accepted followed by the array variables and sorting it ascending or descending. The array would …

hi all, i've a problem in converting struct into short here's the code i'm using, but it's still error while i'm running it. [CODE] typedef struct ip_header; unsigned short *temp; memcpy(temp, &ip_header, sizeof(ip_header)); [/CODE] any help will be greatly appreciated. thx.

how can i put the filename get in scanf("%s", &filename); in fopen("filename.txt", "a"); [CODE=c] main() { FILE *file; . . . printf("type the filename (.txt): "); scanf("%s", &filename); file = fopen("filename.txt", "a"); fprintf(file, "..."); fclose(file); . . . } [/CODE]

i'm trying to print the suits of the cards [CODE=c]typedef enum{diamonds, spades, hearts, clubs}SUIT; typedef struct{ SUIT suit; int value; }CARD; typedef struct{ CARD *cards[52]; int atual; /*indicates the next card to be withdrawal of the deck*/ }DECK; typedef struct{ char name[30]; CARD hand[3]; CARD biggest_card; int num_victories; }PLAYER; switch(suit) …

how can i sort in decreasing order? i did the sort is in increasing order [CODE=c] typedef struct{ char name[30]; CARd hand[3]; CARd biggest_card; int nro_victories; }PLAYER; PLAYER h; int m, i, j, k; for(i=0; i<n_playeres-1; i++) { k = j; m = h[i].nro_victories; for(j=i+1; j<n_players; j++) { if(h[j].nro_victories < …

i learnt c language but iam not aware of practical applications of c.how this can be used in development of any softwares,webdesigning ,or creating a virus or destroing a virus.can any one show any one practcally so i can be aware of and i will try in furthur applictions. thankingyou.............

i need help on my homework problem. i have done the operations part (+, -, *, /, sqrt) but i am really having a [B]problem on making my calculator accurate up to 40 digits and to truncate all the non-significant zeroes on the output[/B]. i don't know what data type …

I have a quick questions regarding a a certain style of coding I have seen that I found to be rather unique. It entails including C files within a program to allow for easy changes of constants and other variables on the fly. This method is used because of the …

how can i convert string os size[10] to float. also i cannot use atof or sscanf. im asked to use bitwise or anyother methos which will take less processiong time. is there anyway. thank you

hello, I think I have a rather straightforward problem, but I'm relatively new to C. I have an input file that looks like this: [code] 0.682448 0.53791 0.61727 0.48714 0.297144 0.29688 0.40549 0.68233 0.426100 0.62057 0.25095 0.54782 0.673007 0.51040 0.25476 0.35149 0.641339 0.49815 0.54557 0.42673 0.268030 0.38949 0.48841 0.56580 ... …

I am currently experimenting with function pointers as part of a larger project. Drawing from both online sources and textbooks. The problem however is that after storing the values as an array, when i call them the functions either fail to be called, or if i attempt to print the …

I'm wondering how to do this in C: (i need this for my project)... how to replace this line [URL="http://img368.imageshack.us/img368/7854/sp326rt3.jpg"]http://img368.imageshack.us/img368/7854/sp326rt3.jpg[/URL] with a printf & scanf statement? i want to hide those lines and it will be replaced with another statement. and how to make the screen window fixed (meaning not …

I want this program to calculate an actors age at the time a movie they made was released, the user inputs all the data... I dont know C just learning but this is the layout I thought of any help would be appreciated, this does not compile [CODE]#include <stdio.h> int …

Hi can anyone help me, I am learning the language C but need some help writting some code. what i need to do is from the input of the keyboard i need to find the max and min of some values and out put them. what i got so far …

Hello friends, Could someone tell me if i want to read a particular text from a file that exist in each line of file. How could i do this? My text is like this: poll mail.telesys.com protocol POP3 user [email][email protected][/email] password abcd mda "cat > /export/home/m7istp/imcp/bin/ml201.txt now i want to …

i'm trying to do a biggest card game in c but i'm reciving some errors that i can't figure out please help me... the functions are separeted of the main(project) i'm receving the error 'incompatible types in assignment' in the function compare card [CODE=c] /*This function compares card1 with card2 …

i want to make a text programe ,this program supposed to have a text mode and a command mode; in text mode you can type and whit arrow key change your position in command mode by typing your comman you can get the results for example: by typing copy 2 …

Hi Guys This has been going on for a while but now I have finally decided to do something about it. A few weeks ago I compiled a small C program from a book I was reading. It compiled fine but I wanted to make a slight change to the …

Hi, i'm new to C programming and i could use some help with an assignment. i would like to store a word in a linked list, with each letter of the word in a separate node of the linked list. i would then like to traverse the linked list to …

Take the following code: [code]#include <stdlib.h> int main(int argc, char **argv, char **envp) { int sum; atoi(&argv[1]);//statement with no effect. Passing argument 1 of ‘atoi’ from incompatible pointer type atoi(&argv[2]);//statement with no effect. Passing argument 1 of ‘atoi’ from incompatible pointer type sum = argv[1]+argv[2]; //error: invalid operands to binary …

plz provide the c program to remove the blank spaces

hi....i am a new user of daniweb.......i am doing ms in electrical and computer engineering ............here i came because i am very thrusty to get the depth knowledge of different languages ........i am starting from c language.....so please help me in different problems....bye .........

Hi, I need to meaure contrast for an image. Does anyone has any code snippet/documentation that i could use. I have tried looking around alot but couldnt find anything substantial thanks Sunderam

[code] Hello, Please guide me to write how to write a C code for converting Unicodes (like 0905 for अ). the output i.e. अ should be written to a text file. Regards. [/code]

I just registered here on this site. It seems a nice place to be;) Just before writing these lines i poked around here and read some of the tuts and looked into some fora. I'm somewhat of a programming layman, started sometimes long ago but focussed then on other things. …

Sorry for bother you with this dumb questions... I understand very well math but I'm a noob in C... Hope to "evolve" :( Anyway I manipulate a simple binary tree this way: [CODE=C] typedef struct _node *tree; struct _node { char *name; double val; tree left; tree right; }; void …

I do not know how to express the array I am going to work with, but some codes can describe them. If I define an array and a struct with member : [code=c] float velocity; MODEL.VELOCITY; [/code] VELOCITY in struct MODEL is also float. then I alocate memory for them; …

hi friends.. how to compare 3 number without using relational operator? do u have any idea?

Hi, it's me again... I've some problems understanding why my program hang up; I've this code: [CODE=C] #include <stdio.h> void foo ( char **bar ) { *bar = "foobar"; /* Runs perfectly */ **bar = 'b'; /* Cause a crash */ } int main() { char *bar; foo ( &bar …

hello.. I m designing a STATISTICAL SUMMARIZER in C.. This software will create the summary of a text file submitted by the user.. The first step is to separate sentences in the text file.. I hav almost completed this step.. but there are some limitations.. Suppose if text file hav …

Please tell me what is the basic differences between C and C++?

hello.. I m designing a STATISTICAL SUMMARIZER in C.. This software will create the summary of a text file submitted by the user.. The first step is to separate line in the text file.. I hav almost completed this step.. but there are some limitations.. Suppose if text file hav …

I have a code for a doubly linked list, and I need to print it in reverse. I can't seem to figure out what I'm doing wrong, or maybe I just don't fully understand what I'm doing. The part that I'm questioning is in the printList function. The while statement …

I know this is a really sad question to ask, but please tell me... how and when should I ever use extern? I recall an example that Narue showed me but even if I read through the definition from MSDN.com as well as other sources, I still can't quite understand …

Ok so here is the code I've written already, as well as the errors I get when I try to build. Please help me figure out what the problem is! [code=c] #include <stdio.h> #include <stdlib.h> #include <ctype.h> #include <string.h> #define COMPANY "Rocklin Realty" #define TRUE 1 #define TAB 25 void …

I am a beginner programmer an i started a project to build a mp3 player of my own. This is my first project in big level. Any kind of guidance or help will be greatly useful to me. If any one have some idea's please help me.