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Hi ,

I'm getting this message when I run :

valgrind --leak-check=full ./MyProg

==4189== HEAP SUMMARY:
==4189==     in use at exit: 192 bytes in 12 blocks
==4189==   total heap usage: 21 allocs, 9 frees, 3,513 bytes allocated
==4189== 
==4189== LEAK SUMMARY:
==4189==    definitely lost: 0 bytes in 0 blocks
==4189==    indirectly lost: 0 bytes in 0 blocks
==4189==      possibly lost: 0 bytes in 0 blocks
==4189==    still reachable: 192 bytes in 12 blocks
==4189==         suppressed: 0 bytes in 0 blocks
==4189== Reachable blocks (those to which a pointer was found) are not shown.
==4189== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==4189== 
==4189== For lists of detected and suppressed errors, rerun with: -s
==4189== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

I don't see errors but some still reachable blocks. 
Now, If i run :

valgrind --leak-check=full --show-leak-kinds=all -s ./MyProg

==7209== HEAP SUMMARY:
==7209==     in use at exit: 192 bytes in 12 blocks
==7209==   total heap usage: 21 allocs, 9 frees, 3,513 bytes allocated
==7209== 
==7209== 48 bytes in 6 blocks are still reachable in loss record 1 of 2
==7209==    at 0x48437B5: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-
amd64-linux.so)
==7209==    by 0x4D9FC20: ??? (in /usr/lib64/libgcrypt.so.20.3.4)
==7209==    by 0x4D2235C: ??? (in /usr/lib64/libgcrypt.so.20.3.4)
==7209==    by 0x4D197E7: ??? (in /usr/lib64/libgcrypt.so.20.3.4)
==7209==    by 0x4012A6D: call_init (in /usr/lib64/ld-linux-x86-64.so.2)
==7209==    by 0x4012B6B: _dl_init (in /usr/lib64/ld-linux-x86-64.so.2)
==7209==    by 0x40030C9: ??? (in /usr/lib64/ld-linux-x86-64.so.2)
==7209== 
==7209== 144 bytes in 6 blocks are still reachable in loss record 2 of 2
==7209==    at 0x48437B5: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-
amd64-linux.so)
==7209==    by 0x4D9FC20: ??? (in /usr/lib64/libgcrypt.so.20.3.4)
==7209==    by 0x4D2235C: ??? (in /usr/lib64/libgcrypt.so.20.3.4)
==7209==    by 0x4D197DA: ??? (in /usr/lib64/libgcrypt.so.20.3.4)
==7209==    by 0x4012A6D: call_init (in /usr/lib64/ld-linux-x86-64.so.2)
==7209==    by 0x4012B6B: _dl_init (in /usr/lib64/ld-linux-x86-64.so.2)
==7209==    by 0x40030C9: ??? (in /usr/lib64/ld-linux-x86-64.so.2)
==7209== 
==7209== LEAK SUMMARY:
==7209==    definitely lost: 0 bytes in 0 blocks
==7209==    indirectly lost: 0 bytes in 0 blocks
==7209==    possibly lost: 0 bytes in 0 blocks
==7209==    still reachable: 192 bytes in 12 blocks
==7209==    suppressed: 0 bytes in 0 blocks
==7209== 
==7209== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

Could you help me to understand if I'm wronging something ?