memory 分布

#include<stdio.h>
#include<malloc.h>
#include<unistd.h>

int bss_var;

int data_var0=1;

int main(int argc,char **argv)
{
   printf("below are addresses of types of process's mem\n");
   printf("Text location:\n");
   printf("\tAddress of main(Code Segment):%p\n",main);

   printf("____________________________\n");
   int stack_var0=2;
   printf("Stack Location:\n");
   printf("\tInitial end of stack:%p\n",&stack_var0);
   int stack_var1=3;
   printf("\tnew end of stack:%p\n",&stack_var1);
   printf("____________________________\n");
   printf("Data Location:\n");
   printf("\tAddress of data_var(Data Segment):%p\n",&data_var0);
   static int data_var1=4;
   printf("\tNew end of data_var(Data Segment):%p\n",&data_var1);
   printf("____________________________\n");

   printf("BSS Location:\n");
   printf("\tAddress of bss_var:%p\n",&bss_var);
   printf("____________________________\n");

    char *b = (char*)malloc(sizeof(char)*4);
   // printf("Heap Location:\n");
   printf("\tInitial end of heap:%p\n",b);
   // brk(b+4);
   // b=sbrk((ptrdiff_t)0);
    printf("\tNew end of heap:%p\n",b+4);
   getchar();
   return 0;
 }