i made a recursive function to find the prime factors of a number but it has a bug which makes turbo c quit. please help #include<stdio.h> #include<conio.h> int prime(int num); int primefactor(int num,int i); void main(void) { int num; printf("Enter a number whose prime factors are to be calculated:"); scanf("%d",&num); ...
For example, I have a cstring "E8 48 D8 FF FF 8B 0D" (including spaces) which needs to be converted into the equivalent unsigned char array {0xE8,0x48,0xD8,0xFF,0xFF,0x8B,0x0D}. What's an efficient way to do this? Thanks! EDIT: I can't used the std library... so consider this a C question. I'm sorry! ...
Hi, I have created a Foundation Tool in Xcode, and want to use some functions from the GraphicsMagick image manipulation library. The library has been compiled and installed on my computer using MacPorts. I added libGraphicsMagick.3.dylib and libGraphicsMagickWand.2.dylib to my project as external frameworks. What other steps must I ta...
I have successfully gotten my low-level mouse hook code to work, but there are some behaviors I'm observing that I don't quite understand. Everything works fine if I spawn a thread which installs the mouse hook. When i no longer need it running, I let the thread get destroyed automatically as I exit the program, and I imagine I can easil...
I'm building a game and I'm looking for a good way to implement multiplayer. It is a sandbox game with Box2D physics. I was thinking of making it so the client only sends input to the server and receives which sprites to draw and where. Would this be a good idea? What might be ideal for a game with Physics like this? Thanks ...
I'm trying to write a simple daemon in Linux, which will create a FIFO, then collect anything written to the FIFO and write that data to a file at a later time. My expectations are that once my daemon has created the FIFO, I can do "echo text > /myfifo" repeatedly. When I'm done, I can do "echo quit > /myfifo" and my program will exit a...
Possible Duplicate: #pragma once vs include guards? When should I use #pragma once? When should I use #ifndef HEADER_H_INCLUDED? ...
I only wanted to allow one instance of my C extension class to be made, so I wanted to include the singleton module. void Init_mousetest() { VALUE mouseclass = rb_define_class("MyMouse",rb_cObject); rb_require("singleton"); VALUE singletonmodule = rb_const_get(rb_cObject,rb_intern("Singleton")); rb_include_module(mousecl...
Which is an error-free way to get a http POST in CGI in C? I'm currently using this. Is it ok? What if "CONTENT_LENGTH" is incorrect and is larger than stdin is; how will read behave then? char *STDIN = NULL; char *pointer = getenv("CONTENT_LENGTH"); if(pointer != NULL) { char charlength[5] = ""; strncat(charlength, pointer, 4...
Possible Duplicates: function overloading in C Does C support overloading ? Can anyone explain if function overloading work in C? I tried this and it didn't work: #include <stdio.h> int f(int val) { printf("f int\n"); return 5; } int f(char *val) { printf("f char *\n"); return 6; } int main() { f(5);...
Is this code snippet well defined in ANSI C? On my system (Linux x86_64) it seems to run just fine and print an address, but will it always be the case? E.g. the parameter might be passed via a register, and taking the address of that doesn't seem right. #include <stdio.h> void foo(int a) { printf("%p\n", &a); } int main(void) { ...
Is there any book on programming FFMPEG encoding libs in c\c++? I found one http://dranger.com/ffmpeg/ ...
I bought MS C 5.0 after first getting QuickC 1.0 (I think because there was some limitation with QuickC that the full-blown C 5.0 didn't have, but I can't recall the details now). This was the summer of 1988 I believe. Anyway, there was an editor buried somewhere on the discs which wasn't the default editor. I can't remember the name of ...
How do I encode char string to Octet string in C? For example if have: char *string = "245732473"; I need to encode this string to Octet string? How can i do this? ...
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i have made a program which converts numbers entered into a string into an integer.like atoi does.but its giving wrong output. #include<stdio.h> #include<conio.h> #include<math.h> #include<string.h> void main(void) { static int sum; int i,x,y,z; char string[10]; printf("Enter a string:\n"); gets(string); x=strlen(string); for(i=0...
I have two shell scripts that I'd like to invoke from a C program. I would like shell variables set in the first script to be visible in the second. Here's what it would look like: a.sh: var=blah <save vars> b.sh: <restore vars> echo $var The best I've come up with so far is a variant on "set > /tmp/vars" to save the variables and...
This works... if ( tileType == "water" or ( otherObj and otherObj:GetType() == "IceBlock" )) then self:SetNoClip( true ) else self:SetNoClip( false ) end - These don't... self:SetNoClip( tileType == "water" or ( otherObj and otherObj:GetType() == "IceBlock" )) //---------------------------------------------------------- l...
I've defined 2 macros: #define HCL_CLASS(TYPE) typedef struct TYPE { \ HCLUInt rc; \ void (*dealloc)(TYPE*); #define HCL_CLASS_END(TYPE) } TYPE; \ TYPE * TYPE##Alloc() { TYPE *ptr = (TYPE *)malloc(sizeof(TYPE)); if (ptr != NULL) ptr->rc = 1; return ptr; } The purpose of these macros...
When we define a character array as 'char name[10]', this indicate that the array 'name' can hold a string of length ten character. But in the program shown below the array name can hold more than ten characters. How is this possible? //print the name of a person. char name[10]; scanf("%s",name); printf("%s",name); Here if I e...