菜鸟写c之内存分配

#include 
#include 
#include 
#include 

int or_goal_a;
double or_goal_b;
int stat_goal_c;
double stat_goal_d;
int main(int argc, char *argv[])
{
    int or_a, or_b;
    int *mallo_a = (int*)malloc(sizeof(int)); 
    int *mallo_b = (int*)malloc(sizeof(int));
    static int stat_ins_c, stat_ins_d;
    char *char_only_s = "hello";
    const char *con_char = "li";
    const int const_a;
    const double const_b;

    printf("------------------stack-----------------------------------------------------------------------------n");
    printf("insid_or is or_a is :      %p, or_b :      %pn",                                       &or_a, &or_b);
    printf("malloc is mallo_a:         %p, mallo_b:    %pn",                                       &mallo_a, &mallo_b); 

    printf("------------------heap-----------------------------------------------------------------------------n");
    printf("malloc object is mallo_a : %p, mallo_b:    %pn",                                       mallo_a, mallo_b);

    printf("------------------bss&data-----------------------------------------------------------------------------n");
    printf("goal is or_goal_a :        %p, or_goal_b : %p, stat_goal_c is %p, stat_goal_d is %pn", &or_goal_a, &or_goal_b, &stat_goal_c, &stat_goal_d);
    printf("insid_stat is stat_ins_c : %p, stat_ins_d :%pn",                                       &stat_ins_c, &stat_ins_d);

    printf("------------------text-----------------------------------------------------------------------------n");
    printf("char* is char* :           %pn",                                                       char_only_s);
    printf("const_char* is con_char:   %pn",                                                       con_char); 

    printf("------------------?????-----------------------------------------------------------------------------n");
    printf("const is const_a :         %p, const_b :   %pn",                                       &const_a, &const_b);

    return 0;
}

为了了解c语言对各种变量的分配。

• 局部变量存放在栈区， 包括使用malloc的对象。
• malloc出来的内存存放在堆区。
• 全局变量，全局静态变量，静态变量存放一起。
• 常量（char*），存放在一块区域。
• const int存放在栈区。