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Honest question (random compression) 5 134 (1/6/2010 3:49:57 PM) comp.compression Just stopped from my daily grind at work and reading usenet long enough to think about this question: Why is random data compression the holy grail of data compression [choose your adjective...]? We don't... Tom

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Wrapping existing UNIX commands in C 99 56 (7/29/2012 3:11:18 PM) comp.lang.c Hi, So I am aware of the exec family of functions and the system function to execute external commands but they do not seem to offer the functionality to allow me to get the output of said executable so ... chicken (50)

Function factories 42 33 (8/21/2012 8:36:31 PM) comp.lang.c Hello I want to make a factory that produces other functions according to a parameter. The following code does not compile: typedef int *(foo)(int); foo adder_factory(int x) { int f(int a) ... edward.p.rutherford79 (45)

#define BYTES *8 36 28 (8/28/2012 7:44:24 AM) comp.lang.c Anything wrong with that, i.e., with #define BYTES *8 to multiply by 8? It looked a little weird to me, but the more obvious #define BYTES(x) ((x)*8) isn't what I wanted to write. This was to express units ... john42 (309)

callback function 71 37 (10/17/2012 9:16:51 PM) comp.lang.c I have these 3 functions and before I compile I am going to ask about them. This is for qsort. I tried to tackle this once and couldn't get it I think I get it now. I don't like const's. They are a nuis... billcun1 (68)

Large number libraries/algorithms 36 31 (10/22/2012 9:11:28 AM) comp.lang.c Does anyone know of an API that will do standard math ops (*,+,-,/,% etc) on very large numbers (stored in char arrays presumably)? ie The sort of numbers that have no chance of fitting in even a 64 bit int... boltar20032 (164)

How to apply qsort() with a parameter? 20 23 (10/22/2012 5:51:54 PM) comp.lang.c How does one apply qsort() if the comparison criterion depends on a parameter? Specifically, suppose I wish to sort an array of int, according to distance from a prescribed value `n': int compar(const ... rouben

A C program 36 43 (10/23/2012 3:54:47 PM) comp.lang.c write a program to calculate decimal number from binary number? ... nitin.nitinperderusted.rastogi (3)

Pointer arithmetic question. #2 23 34 (10/30/2012 5:33:28 PM) comp.lang.c Hello! I am doing some exercises from K&R 2nd edition and I seem to be stuck: Here's a working copy of a custom strcpy: char *strcpy(char * s, char * t) { char x; while(x=*s) s++; while((*s++=*t++))... glohamen (4)

kandr2 question 84 38 (10/30/2012 10:10:09 PM) comp.lang.c �1.9 page 29 has this function. int getline (char s[], int lim) Unless I'm missing something here to pass an array shoudn't that first parameter be char *s ? Bill ... nospam116 (1187)

simple C question 37 26 (11/4/2012 9:17:13 PM) comp.lang.c I have looked all over the internet for a tutorial on how to do this because I've forgot because I usually manually load arrays. But in such a case where say someone has an array with 100 elements I wan... nospam116 (1187)