Posts by danieltm64 • 269 points
6 posts
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2
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answer150
viewsA: Is it possible to determine the hardware address of the router?
The solution I’m going to show you here only works if: The program arp is installed on the machine running your program. The format of the output arp is always the same (I believe it is). Basically,…
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answers1802
viewsA: Difference between char array and char pointer
When you declare an array of char thus: char name[256]; the program allocates 256 characters in the main memory. When you declare a pointer of char thus: char *apelido; the program allocates enough…
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answers142
viewsA: Function print with error
Change this: void fibonacci(int x, int y, std::vector<int> fi, int numeroElementos); therefore: void fibonacci(int x, int y, std::vector<int>& fi, int numeroElementos); And make the…
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answer272
viewsA: Segmentation failure during image to grayscale conversion
You are trying to allocate 250,000 pixels (500 * 500) into the stack (which is 3 MB if each int occupies 4 bytes), and then you pass this huge array to other functions. I believe this blows the…
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answers324
viewsA: How to declare a component of a static struct in the function? C
When you define a structure like this: struct ponto { int x; int y; } You can declare a variable of this type: struct ponto variavel; Then you can access the numbers x and y thus: variavel.x = 10;…
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answers295
viewsA: Problem with malloc
int verPal(int num1, int *v) // no main: y = verPal(numero,v); The function verPal receives a copy of the pointer v provided by main and assigns to that local copy the address returned by malloc,…