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#include <stdio.h>
#include <string.h>

int main()
{
    char *mesg = "Don't be a fool!";
    char *copy;

    copy = mesg;

    printf("%s\n", copy);   /* Don't be a fool! */

    /* mesg = Don't be a fool! : &mesg = 0x7ffdc6ca8d48 : value = 0x555a25828008 */
    printf("mesg = %s : &mesg = %p : value = %p\n", mesg, &mesg, mesg);

    /* copy = Don't be a fool! : &copy = 0x7ffdc6ca8d50 : value = 0x555a25828008 */
    printf("copy = %s : &copy = %p : value = %p\n", copy, &copy, copy);

    /* sizeof(mesg) = 8 : strlen(mesg) : 16 */
    printf("sizeof(mesg) = %d : strlen(mesg) : %ld\n", sizeof(mesg), strlen(mesg));

    return 0;
}

#if 0

00000000000011a9 <main>:
    11a9:    f3 0f 1e fa              endbr64
    11ad:    55                       push   %rbp
    11ae:    48 89 e5                 mov    %rsp,%rbp
    11b1:    48 83 ec 20              sub    $0x20,%rsp
    11b5:    64 48 8b 04 25 28 00     mov    %fs:0x28,%rax
    11bc:    00 00
    11be:    48 89 45 f8              mov    %rax,-0x8(%rbp)
    11c2:    31 c0                    xor    %eax,%eax
    11c4:    48 8d 05 3d 0e 00 00     lea    0xe3d(%rip),%rax         # rax=0x555555556008: "Don't be a fool!"
    11cb:    48 89 45 e8              mov    %rax,-0x18(%rbp)         # 0x7fffffffe2a8: 0x555555556008
    11cf:    48 8b 45 e8              mov    -0x18(%rbp),%rax         # rax=0x555555556008
    11d3:    48 89 45 f0              mov    %rax,-0x10(%rbp)         # 0x7fffffffe2b0: 0x555555556008
    11d7:    48 8b 45 f0              mov    -0x10(%rbp),%rax         # rax=0x555555556008
    11db:    48 89 c7                 mov    %rax,%rdi                # rdi=0x555555556008
    11de:    e8 9d fe ff ff           callq  1080 <puts@plt>          # puts(rdi)
    11e3:    48 8b 4d e8              mov    -0x18(%rbp),%rcx         # rcx=0x555555556008
    11e7:    48 8b 45 e8              mov    -0x18(%rbp),%rax         # rax=0x555555556008
    11eb:    48 8d 55 e8              lea    -0x18(%rbp),%rdx         # rdx=0x7fffffffe2a8
    11ef:    48 89 c6                 mov    %rax,%rsi                # rsi=0x555555556008
    11f2:    48 8d 3d 27 0e 00 00     lea    0xe27(%rip),%rdi        # 0x555555556020: "mesg = %s : &mesg = %p : value = %p\n"
    11f9:    b8 00 00 00 00           mov    $0x0,%eax
    11fe:    e8 ad fe ff ff           callq  10b0 <printf@plt>
    1203:    48 8b 4d f0              mov    -0x10(%rbp),%rcx         # rcx=0x555555556008
    1207:    48 8b 45 f0              mov    -0x10(%rbp),%rax         # rax=0x555555556008
    120b:    48 8d 55 f0              lea    -0x10(%rbp),%rdx         # rdx=0x7fffffffe2b0
    120f:    48 89 c6                 mov    %rax,%rsi                # rsi=0x555555556008
    1212:    48 8d 3d 2f 0e 00 00     lea    0xe2f(%rip),%rdi        # 0x555555556048: "copy = %s : &copy = %p : value = %p\n"
    1219:    b8 00 00 00 00           mov    $0x0,%eax
    121e:    e8 8d fe ff ff           callq  10b0 <printf@plt>
    1223:    48 8b 45 e8              mov    -0x18(%rbp),%rax
    1227:    48 89 c7                 mov    %rax,%rdi
    122a:    e8 61 fe ff ff           callq  1090 <strlen@plt>        # strlen(0x555555556008)
    122f:    48 89 c2                 mov    %rax,%rdx
    1232:    be 08 00 00 00           mov    $0x8,%esi                # esi=8
    1237:    48 8d 3d 32 0e 00 00     lea    0xe32(%rip),%rdi        # 2070 <_IO_stdin_used+0x70>
    123e:    b8 00 00 00 00           mov    $0x0,%eax
    1243:    e8 68 fe ff ff           callq  10b0 <printf@plt>
    1248:    b8 00 00 00 00           mov    $0x0,%eax
    124d:    48 8b 75 f8              mov    -0x8(%rbp),%rsi
    1251:    64 48 33 34 25 28 00     xor    %fs:0x28,%rsi
    1258:    00 00
    125a:    74 05                    je     1261 <main+0xb8>
    125c:    e8 3f fe ff ff           callq  10a0 <__stack_chk_fail@plt>
    1261:    c9                       leaveq
    1262:    c3                       retq   

(gdb) x/18c 0x555555556008
0x555555556008: 68 'D'  111 'o' 110 'n' 39 '\'' 116 't' 32 ' '  98 'b'  101 'e'
0x555555556010: 32 ' '  97 'a'  32 ' '  102 'f' 111 'o' 111 'o' 108 'l' 33 '!'
0x555555556018: 0 '\000'        0 '\000'

#endif