icp/oer/courses/c-advanced/sections/01-introduction/05-stack/program.c

58 lines
797 B
C

#include <stdio.h>
#include <stdlib.h>
typedef struct node
{
char Character;
struct node *Next;
}node;
typedef struct
{
node *Top;
}stack;
node *alloc_node(char c, node *Next)
{
node *NewNode = malloc(sizeof(node));
NewNode->Character = c;
NewNode->Next = Next;
return NewNode;
}
void push(stack *Stack,char c)
{
// TODO: implement this
}
// NOTE: as last time free the node here
char pop(stack *Stack)
{
// TODO: implement this
return 0;
}
node *peak(stack *Stack)
{
// TODO: implement this
return 0;
}
int main(int argc, char **argv)
{
stack Stack = {};
char *String = "!dlroW ollaH";
// When everything works, the program should print Hello World!.
while(*String)
{
push(&Stack, *String++);
}
while(peak(&Stack))
{
printf("%c", pop(&Stack));
}
}