19,876 Topics
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| | hey friends i need help once again... i need to know that how to accessing a structure in another function using pointers.i mean when we returning a pointer to the main function we have have the address of the structure.how to use that address to access the structure..pls guys help …  |
| | Hey guys, im new to C++. been learning for only about a week. The most complex program i can make is a calculator! But, i was wondering, how hard would it be to make a text-based zork-like game? Like i said before im new, so any tips and/or tricks to … |
| | Hello was wondering if anyone could help me with this code. I am writing it for exercise 1-13 in the book "The C Programing Language". I am tring to get an array of word lengths. When I compile it i get the warning multi-character character constant. Also the code doesn't … |
| | Hi, I have a third party dll file and i want to call and to run that dll file using c program. Could anyone explain how to do this? |
 | Please help I'm trying to write a program in C using nested loops which has an output of 1-8 (newline) 2-9 (newline) 3-10 (newline) 4-11(newline) 5-12. I wrote a program but I know it has to be a simplier way and I don't think I used nested loops correctly because … |
| | Hi, I'm trying to synchronize two processes but I get a deadlock that I can't manage to solve. To be more specific, my program has to do the following: 1. Parent creates a process and waits using sigsuspend. 2. Child creates a process. 3. Grandchild performs an execvp and gets … |
 | i am try to create a program that prints the numerical value of EOF... any ideas for the function get the value of EOF using the ASCII table???? |
| | #how to parse log files using structures or enum#  |
 | How can I use the flood fill algorithm in practice? How can I implement it? |
| | how to use file operations using C like fopen,fclose,fread,fwrite,fseek,delete,modifying. |
| | can anyone tell me whether we can use const variables for case ...eg I wrote the following code: const int i=2; int j=0; switch(1) { case i:printf("hii"); } now ...this snippet is running properly in turbo c but not in dev cpp... likewise if we use this const variable as …  |
| | I want display username in MDIParent form after login. Who can teach me and give coding to me. Hope every expert help me. |
| | I have to display the message only for a specific time. After that it should be erased from the display. how to do this program in c.  |
| | Hey, I'm very frustrated about this activity that had been given by my teacher. He asked me to create a program like calendar but he only need a one month portion of the program, I don't even know how to start. He told me that I must have to use … |
| | i kind of need to extract data from a code.txt which continues 0100000000001000000000000000000001100010011001 0100000000001000000000000000000001000000000000 0100000000001000000000000000000000000010001001 0100000000001000000000000000000000000001001001 0100000000001000000000000000000100100011001001 0100000000001000000000000000000000000000001001 0100000000001000000000000000000010100010101001 0100000000001000000000000000000010100001101001 0100000000001000000000000000000110100011101001 0100000000001000000000000000000011000000110010 0100000000001000000000000000000011110010111101 my main idea is to extract the number of ones in from each row ,each row = pulses converted from interrupt so as to compare with the … |
| | hi, Actually , I want to ask that what is the exact use of bit fields? I have searched a lot and get one thing that they are used for saving space. But, on the other hand, I read that bits are "padded" to increase the efficieny of compiler to … |
| | Create a class called Invoice with the properties (Part number, Part Description, Quantity and Price). Create appropriate methods and data types. Use the class Invoice and create an array of Invoice objects (Part number, Part Description, Quantity and Price) initialized as shown below: // initialize array of invoices Invoice[] invoices …  |
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| | int a=-3,b=2,c=0,d; d=++a&&++b||++c; printf("a=%d,b=%d,c=%d,d=%d",a,b,c,d); why value of 'c' is not incremented in output? |
 | I'm having a little problem regarding this log-in program. #include<stdio> #include<conio> #define p printf #define s scanf main() { char pass[20]; char user[20]; clrscr(); p("\nEnter your username: "); s("%s", user); p("\n\nEnter your password: "); s("%s", pass); if(user=="abel" && pass=="pass") p("\nW E L C O M E !!"); else p("\nINVALID INFORMATION!!"); …  |
| | Dear All, My problem is that exactly every second I need to call a particular function to do some sql querying. So after reading I found that the latest api is timer_create. Below is a skeleton. Is this skeleton a right one to move forward? Thank you. [CODE]#include <stdio.h> #include … |
| | Hello Guys, I am Confused between the two languages Java and C++ that Which is the better Language to learn? What do You Guys Think about These languages and Can You make difference between these Languages Guys?  |
| | #include <stdio.h> #include <stdlib.h> void main() { int n,i,p; printf("enter the no: "); scanf("%d",n); for(i=0;i<n;i++) { p=i*i if(p==n) { scanf("the square root of %d is %d",n,i); } } } its not working error at if(p==n) |
 | Can any 1 plz help me in making out sorting techniques using graphics i.e., moving of sorting elements in graphics |
| | hi i need to get a program done that reads a series of numbers and operations from a file using in order traversal to build a tree from the file data and evaluate the data in post order by traversing the tree while modifying a stack. here is what i … |
 | When using C++, how do you find the REMAINDER of two numbers and store it in an integer. I think the answer is: [B]X % Y = Int Z;[/B] :idea: Please help. Thanks :lol: , C++ |
| | hi.. #define loop() for(;b<c;b++) #define print(a) printf("%d ",a); int main() { ............ ........... ............ .............. int i=0,j=0; loop(i,15) { loop(j,15) { print(z[l][m]) } printf("\n"); } } This code print some integers , but isn't printing all in the desired way. But, when I change the #define statement in this way, … |
| | well, i want to create the classic "snake game" in pure c language. how to do it. should i use graphics.h or "NCurses" library. what new and cool features can i add in my game. can i add a "Background " music and any cool graphics. what new feature can … |
| | if we print a float using %d garbage value is printed....but if we scan a float value using %d & int...the value gets truncated...What is the reason behind it... |
| | When is the garbage colletor called in c...Like in the following code int main() { int *i; int *fun(); i=fun(); printf("%d\n",*i); printf("%d\n",*i); } int *fun() { int k=12; return(&k); } the address being returned is of a variable that is no longer available....but printf statement prints 12 first time and … |
| | how are float values exactly represented in memory...... |
| | #include <stdio.h> #include <stdlib.h> main() { char a[30]; int i,j,n,temp; printf("enter the limit: "); scanf("%d",n); printf("enter the string: "); for(i=0;i<n;i++) { scanf("%s",a[i]); } for(i=0;i<n-1;i++) { for(j=i+1;j<n;j++) { if(strlen(a[i])>strlen(a[j])) { temp=a[j]; a[i]=a[j]; a[j]=a[i]; } } } for(i=0;i<n;i++) { printf("%d",a[i]); } } compiler stops working here when executing the program but 0 … |
| | char str[]="S\065AB"; printf("\n%d", sizeof(str)); explain the output. i am getting 5. |
| | > WHAT SHOULD WE LEARN OTHER THAN C LANGUAGE TO DO PROJECTS IN C..??PLEASE HELP... |
| | How can i change masked text box properties for IP address input. For example private void Interneta_savienojums_Load(object sender, EventArgs e) { maskedTextBox1.Text = " . . . "; maskedTextBox1.PromptChar = ' '; maskedTextBox1.Mask = "009.009.009.900"; maskedTextBox1.ResetOnSpace = false; maskedTextBox1.SkipLiterals = false; } In form text box show ( . . … |
| | I have executed the below program several times, most of the time i got the same out put but some times output is different. sample out put is: > skylab@skylab:~/Nx/Thrds$ gcc 3.c -lpthread > skylab@skylab:~/Nx/Thrds$ ./a.out > Scheduling policy = ??? > arg = 20 > 1arg = 20 > … |
| | what is difference between a)strcpy and memcpy b) memcpy and memmov? |
| | i have a doubt how can we use string in matrices for examples a[0][0]=rohinn a[0][1]=rithish how to do this????  |
| | #include <stdio.h> #include <stdlib.h> main() { char a[30],b[30]; int i,j,n; printf("enter the limit: "); scanf("%d",&n); printf("enter the string: "); for(i=0;i<n;i++) { scanf("%s",a[i]); } j=strlen(a[0]); printf("%d",j); } here for example it will take 4 words where a[0]=word1,a[1]=word2,a[2]=word3,a[3]=word4 where i have particularly find string length of a[0] in 15 th line i … |
| | #include <stdio.h> #include <stdlib.h> void main() { int i,j,n,c[10]; char *str,ch; str=(char*)malloc(20); printf("enter the string: "); fgets(str,sizeof(str),stdin); n=strlen(str); printf("%d",n); j=1; c[1]=0; for(i=0;i<n;i++) { ch=tolower(str[i]); if(ch== '') { j++; c[j]=0; } if(ch=='a'||ch='e'||ch='i'||ch=='o'||ch=='u') c[j]++; } printf("no of vowels in each word in given line is \n"); for(i=1;i<=j;i++) { printf("word is %d-->%d\n",i,c[i]); } … |
| | Look into this code: #include <stdio.h> main() { int p,n,r; float si; scanf("%d %d %d", &p, &n, &r); si=p*n*r/100; printf("SI = %f", si); } Output of this program is 100 100 100 SI = 169.00000 **and also this:** #include <stdio.h> main( ) { int p, n ; float r, si … |
 | You have to mildly trick Windows, but it is possible to put a bitmap image on your console. Uses a flock of WinApi calls. Works well with the free PellesC compiler and Dev-C++. This is a Windows Console Application. Drop me a comment, if you have luck with another compiler. |
| | well, i want to learn some very basic game programming starting from C ,then C++.. How to include that header file <graphics.h> in my IDE like Turbo C or andy other IDE. please help! regards, Techy23. |
| | #include <stdio.h> #include <stdlib.h> void main() { int i,j,d=0,k; char a[30],b; printf("enter the string: "); fgets(a,sizeof(a),stdin); printf("enter the first character to be searched and printed: "); scanf("%c",b); for(i=0;a[i]!=32;i++) { if(b==a[i]) { printf("%c",a[i]); } } for(i=0;a[i]!='\0';i++) { if(a[i]==32) { i++; k=i; if(b==a[i]) { for(k=i;a[k]!==32;k++) { printf("%c",a[k]); } } } } } … |
| | Dear All, We are capturing each network packet which is in this format. The problem is that we would like to get the url if it exist in the packet in the form of http://...... ? What is the best whaay to interpret it to capture the url? 000000 cf … |
| | #include <stdio.h> #include <stdlib.h> void main() { char s[40]; int i,j,k=0,c=0; printf("enter the string: "); fgets(s,sizeof(s),stdin); for(i=0;s[i]!='\0';i++) { if(s[i]==32) { c++; } } if(c%2==0) { printf("there is no middle word"); } else{ j=c/2; for(i=0;s[i]!='\0';i++) { if(s[i]==32) { k++; if(j==k) { i++; while(s[i]!=32) { printf("%c",s[i]); i++; } } } } } … |
| | we are using printf and scanf from #include<stdio.h> libraray functions.is it possible to write our own display statement and input statement |
| | #include <stdio.h> #include <stdlib.h> #include<ctype.h> void main() { char str[50]; int i=0; printf("enter the string: "); fgets(str,sizeof(str),stdin); printf("the abbrevation of string is"); printf("%c",toupper(str[i])); for(i=0;str[i]!='\0';i++) { if(str[i]== '') { i++; printf("%c",toupper(str[i])); } } } error at line 14 |
| | #include <stdio.h> #include <stdlib.h> void main() { char str[30],str1[30],str2[50]; int i,n,j,k; printf("enter the string: "); fgets(str,sizeof(str),stdin); printf("enter the inserting string: "); fgets(str1,sizeof(str1),stdin); printf("enter the position: "); scanf("%d",n); for(i=0,k=0;i<n;i++,k++) str2[k]=str[i]; for(j=0;str1[j]!='\0';j++,k++) str2[k]=str[j]; for(i=n;str[i]!='\0';i++,k++) str[k]=str[i]; printf("%s",str); } no errors for example output will be like this enter the string:rohinnj enter the inserting … |
| | #include <stdio.h> #include <stdlib.h> void main() { char x[10],y[10]; int i,j,k,flag=0; printf("enter the string: "); fgets(x,sizof(x),stdin); for(i=0;x[i]!='\0';i++) for(j=0,k=i;x[k]!='\0';j++,k--) { y[j]=x[k]; } if(x==y) { printf("the string is palindrome"); } else { printf("not palindrome"); } } |
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