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Sir, can you explain why we should/ should not use all those? I'm curious on why I should never use void main and gets?

So this is basically my whole program, without the main..
Its an infix to postfix converter and evaluator..

The first time i did this was successful, but it only accepted 1 digit..for example 2*2...

Hello, sorry if I'm asking a lot of questions, but is there any way to convert a char to char*?

I'm reading a string one by one, and if i find a certain character i want to push it to a stack,...

Thank you, i think i get it now. I'll try to see if this goes well with my whole program.

struct node //STACK
{
char *x;
struct node* next;
};

struct nd //QUEUE
{
char *x;
struct nd* next;

I'll be using this for small numbers, so i guess temp[5] will be large enough. Can you explain what happens in your code?

Hello, i really need help. I want to append a single char into a char* that i have..how do i do that? Is it even possible?



char temp[5] ="";

while(isalnum(*x))
{
strcat(temp,*x);
x++;

10947
10946
10948
10949

This is my whole program so far..i undid the changes i made..so its functioning again now but only reads single characters..

If i had
char a[6] = { '1','2','+','3','+','4'};, how do i turn '1' and '2' into just "12" then push it to the stack? I tried using strcat() and made changes to my code, it didnt have any errors at...

Sir, can i ask how to use strtof and how to apply it in my code?

Hey guys, i have a project to convert an Infix Expression to Postfix Expression or the Reverse Polish Notation.

I'm almost done but my code only reads single digits..

For example, if i input...

Oh! I just realized that now. So i have make my char x; to char x[5]; ?? Man i hope this doesnt mess up my program -_-

Forgive me but I cant quite understand the function you gave me XD What does static mean? What does the * before the function name mean too?

Oh really? Thanks, i'll try that.

It's like this


struct node
{
char x;
struct node* next;
};

What i did was convert char to int using atoi, which was successful.

Actually i need to push the converted value to a stack i created, so is it possible to do that using sprintf? I dont want it to print anything

Hey guys, I need help converting an int to char??

I have tried using


char dig = (char)(((int)'0')+result);

which works well, however, it can only convert values from 0-9 if i'm correct.
...

Damn, so that's what's making it wrong. I changed it to
temp=(link1*)malloc(sizeof(*temp));

since my compiler needs an explicit cast...Is that right? It works now...

Thank yoooouuu :D

Here is my function for building the list...



void insert(link *head, int input)
{
link temp;
link curr;
link p;

Hi, its me again. I revised my code and tried to follow what you guys said already, but I'm still getting the stupid window popping out when I try to delete a node from a linked list. (i attached a...

This function is to remove a node from the list and free the memory allocated to that certain node, so i guess i need to use free(), am i right? What do I do?? Do i pass call malloc in my main and...

It worked! I'm not sure though if what I did was right...is it???




link1 *dealloc;

dealloc=(link1 *)malloc(sizeof(link1));

Actually there is, when I try to delete a window pops up and says something like
" Debug Error!

Program: blablabla

DAMAGE: after Normal block (#63) at 0x00431D20
"
Then i have to choose...

Actually i used



typedef struct node link1;
typedef link1 *link;

So I need to put something like dealloc = (link) malloc(sizeof(link)); in my function?