Recent content by mattias1975

'sproxy' in this line: qsort(pointer,3,sizeof(char*),sproxy); Is that a function call? No variables passed to it?

Hello! I have some code that does not work. What am i not doing right? char *pointer[5]; pointer[0] = "ccc"; pointer[1] = "bbb"; pointer[2] = "aaa"; qsort(pointer, 3, 5, 1);

Hello! Is there something similar to ipconfig(windows) in linux and unix that i can use to get the ip address of my computer?

Hello! Whats wrong with this? char *pointer[10]; strcpy(pointer[0], "hello"); printf("%s", pointer[0]); Thank you

Hm. That solution does not fit in my application.

Is there any function in c that decides if a number is devidable with 2 or not?

Hello! Are there any function that i can use to sort a linked list? For example in alphabetical order for a field. Or does anyone have some code example? Thank you.

Hello! I get an irritating warning from the compiler: myapp.c: 166: warning: implicit declaration of function 'strcmp' Line 166 looks like this: if(strcmp(listpointer->name, search->name)==0){ ...... } listpointer->name and search->name are char[100]. Whats the compiler complaining about...

Hello! When should i use the fflush function? When i read characters from the keyboard, from a file? Should i call it before i call for example getchar or after? What does it actualy do?

Hello! How do i return a char[] from a function? Do i have return a pointer to it? A smal example code would be nice. Thank you.

I have some questions. Which of these two is the best design? Ex 1. int main() { int a = function1(); function2(a); } function1(){ int a; ....... return a; } Ex 2. int main() { function1(); } function1(){ int a; function2(a); } Are there any designpaterns or any standard...

Hello! What is the differenc betwen malloc, calloc ond realloc? The only thing i know is that malloc is used for alocating memory. I have a bug in my code. The first time i use malloc everything works. But the next time at the same row the program "hangs up" at the point where i am calling the...

Hello! I have a problem: char[] function(){ char str[10]; strcpy(str, "Hello!"); return str; } int main(){ char str[10]; str = function(); } The compiler tells me: incompatible types in assignment. How should i do instead to get it work?

Ok. But should i free it after i return it? Is tat possible? return hello; free(hello);

Hello! After the last fgets i get the message Segmentation fault from the operating system. What am i doing wrong? (This is ofcaurse only a part of my application) typedef struct mystruct { char a[10], b[10], c[10]; struct mystruct *link; } mystruct; struct mystruct* inputFunction() {...