15,550 Topics
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| | Hi, I'm new here, so please be gentle :) For an application I'm working on I need to implement a callback function that takes a va_list as an argument. Inside that function, however, I need to pass the va_list (or rather all arguments of the callback function) to a function …  |
| | I'm using Linux and I'm trying to send mail using C but I'm not sure if my code works: s_Mail[999] = "mailx -r \"Sender\" -R \"Recipient\" -s \"Subject\" -F \"Message\""; mail(s_Mail); This is the part that sends the mail...the -F for the message part is really hazy... |
| | My question is to calculate the mean of a comma separated dataset stored in a file. The program will be run on a system with no floating point library. Obey the following rules: 1.Maximum 100 values in dataset 2.Each data entry in the dataset is a byte (0 - 255) … |
| | Hello i have spent hours and days and couldn't find how i can make a variable that has rounded to 2 decimal digits. But i dont want to use myVariable.value....or myVariable()....styles. In the net i have seen something like BCD that is related for official accounting issues but i coudn't … |
| | so here's the code. [CODE]#include<stdio.h> #include<conio.h> void main() {struct { char seat; }a[19]; int x,z; char y; a[0].seat='A'; a[1].seat='B'; a[2].seat='C'; a[3].seat='D'; a[4].seat='A'; a[5].seat='B'; a[6].seat='C'; a[7].seat='D'; a[8].seat='A'; a[9].seat='B'; a[10].seat='C'; a[11].seat='D'; a[12].seat='A'; a[13].seat='B'; a[14].seat='C'; a[15].seat='D'; a[16].seat='A'; a[17].seat='B'; a[18].seat='C'; a[19].seat='D'; clrscr(); printf("Flight Seat Reservation:"); printf("\n\n\n\t1\t%c\t%c\t%c\t%c", a[0].seat, a[1].seat, a[2].seat, a[3].seat); printf("\n\t2\t%c\t%c\t%c\t%c", a[4].seat, a[5].seat, a[6].seat, …  |
| | [code=c] int main() { int a,b,c; a=b=c=1; c = ++a || ++b && ++c; printf("%d %d %d", a,b,c); } [/code] here the expression is considered from left to right. but the confusion of mine is: && has got higher precedence than that of ||. so ++b && ++c should be … |
| | i am writing a pogram where i have to find out which all computers are up on my lan...for this i have called shell script program from my C code which pings to all computers on lan....now i want the shell script to return to the C code "1" incase … |
| | [code=c] #include<stdio.h> #include<conio.h> void main() { float a=6; clrscr(); printf("%d",a); getch(); } [/code] here the output is some garbage value.here the error lies in %d instead of %f.for float value the identifier is f.is this the proper answer of my question? |
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| | WHO HAS ALGORITHMS OF PROBLEM : PLACE k<=8 QUEENS ON THE CHESSBOARD SO THAT THEY CONTROL (EXAMINE) ALL CELLS OF CHESSBOARD 8X8. THANKS!  |
| | Well, this is what we got for writing this holidays at school using plain C and the most simple methods. Any solutions available? Create program for defining hierarchical file-system structure in which node can be file or subdirectory with limitation that file can only be a leaf. Capabilities that program … |
| | hi, i'm new in this site.. i'm working on a airplane seat reservation program.. we were asked to design a program that chooses the users' desired row number and the desired seat number (or rather in this case, seat letter)... here's my code [CODE]#include<stdio.h> #include<conio.h> #include<string.h> void main() { struct … |
| | Say I have an infinite loop, and I want to start over or terminate depending on what user inputs. [CODE] while( 1 ) // start the inifite loop { printf( "Enter your number: " ); // prompt scanf( "%d", &operand1 ); // store user entered number into operand1 if ( …  |
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| | Im creating a slot machine program and used the kbhit command to stop the reels. Right now im tryn to change how the program works instead of stoping it all at once i want the reels to stop one at a time (everytime a key is pressed one reel would … |
| | ok people i wrote this code myself. i just need your help so this program can accept any digits and print the decimal equivalent. i worte more than i needed too because i wasnt so sure how muchi needed. i dont think it works very well. i tried 1101 and … |
| | Input an integer containing only 0’s and 1’s( ie. “binary” integer) and print its decimal equivalent. {hint: use the remainder and division operators to pick off the binary numbers digits one at a time from right to left. Just as in the decimal number system, in which the right most …  |
 | Hello All! I am running AIX4.3 UNIX OS. I am developing using the C-Programming Language. I have inherited code which creates a dialog box. [code] dialog(box_height, box_width, position_x, position_y, "message")[/code] The requirement [B][I]now[/I][/B], is to place a list of say numbers in the box and grow it dynamically. Problem is, …  |
| | Hi ,i am creating some file and i need to open an exe file. Like this ,I creating preface application because installation of the game . So i need that when Computer finish the installation that he start another exe file who have nothing with my preface application. I using …  |
| | Hi, Is there any way so that I call mspaint through my C program and edit the resolution or resize my photos? Sundeep  |
| | i would like adding tow number by postfix when the inputs like : 5,7 then the out put: 57+ i hope there is recommendable code for that program |
| | Hi , How can i get access to ( .rc)file when i already load it(already start my program). I want to make some changes from main window. Thank you for your effort of reading . |
| | [code=c] #include <stdio.h> int main() { unsigned short i = 0; scanf("%u", &i); printf("%u", i); } /* int main() { unsigned short i = 0, j = 0; scanf("%u", &i); printf("%u", i); } */ [/code] hey try the above prog, cc short.c -o short then ./short enter a number, you … |
| | /stores and retrieves data for two secret asgents [code=c] #include<stdio.h> void main () { struct personnel { char name [30]; int agnumb; int agent; }; struct personnel agent1; struct personnel agent2; char numstr[81]; printf("\nagent 1.)\nEnter name:"); printf("Enter agent number (3 digits): "); gets(numstr); agent1.agnumb=atoi(numstr); gets(agent2.name); printf("Enter agent number (3 digits);"); … |
| | This is a piece of code that I can't seem to get right. Hehe. I've initialized the string "sym" to have the values '0' and '0'. I then call the function "cnvrt" and use "sym" in the parameter(not so sure if that's the right term) of "cnvrt". Since strings are … |
| | I bet the answer to my problem is hidden somewhere in these forums as this seems to be a fairly common question, yet after literally 2 days of searching for an answer I can't find it so please bare with me. What I'm trying to do here is to read … |
| | Hello I'm doing a C project for College.It is a banking system where you take in customer name address etc, Print a statement based on a month by month bases.I need to use binary files I have two versions(well Attempts) of this project the one I'm having biggest trouble with … |
| | I am trying to edit a string in c. I need to remove the last 84 characters from a string[400], insert text and re-insert the 84 character string at the end. No problem adding text or coping text in C, but I can't remember how to reorder/manipulate the text string. …  |
| | Input an integer containing only 0’s and 1’s( ie. “binary” integer) and print its decimal equivalent. {hint: use the remainder and division operators to pick off the binary numbers digits one at a time from right to left. Just as in the decimal number system, in which the right most …  |
| | Yeah so I have to write a program that will open the disk drive of a PC and close it after 5 seconds, then open it again after 5 more seconds and I don't have a clue where to begin. Please help. :eek: Lovemachine |
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