C Foundation--Static and dynamic generation of stacks

MAIN.C file


#include <stdio.h>#include"stack.h"intMainvoid){    Char*str ="ABCDEFGHIJKLMN"; Init_stack (3);//Create a dynamic stack     while(*str! =' /') {push (*str); STR++; }     while(Is_empty () = =0) Putchar (pop ()); Putchar ('\ n');        Destory_stack (); //destroying dynamic stacks    return 0;}

STACK.C file

#include <stdio.h>#include<stdlib.h>/*static char stack[512] = {0};        data stack static int top = 0; stack pointer void push (char ch) {stack[top++] = ch;} Char pop (void) {return stack[--top];} int Is_empty (void) {return top = = 0;} int Is_full (void) {return top = =;}*/Static intSZ = +;Static Char*stack;//Data StacksStatic inttop =0;//stack PointervoidInit_stack (intsize) {    if(Size = =0) Size=sz; Elsesz=size; Stack= (Char*)malloc(SZ);}voidDestory_stack (void){     Free(stack);}voidPushCharch) {    if(top = =SZ) {SZ+=sz; Stack=realloc(Stack, SZ); } stack[top++] =ch;}CharPopvoid){    returnstack[--top];}intIs_empty (void){    returntop = =0;}intIs_full (void){    returntop = =sz;}

Stack.h file

extern voidPushCharch);extern CharPopvoid);extern intIs_empty (void);extern intIs_full (void);extern voidInit_stack (intsize);extern voidDestory_stack (void);

C Foundation--Static and dynamic generation of stacks