DOCUMENT:Q19972 12-DEC-2001 [visualc] TITLE :INFO: Jumping into the Middle of a For Loop Is Not Recommended PRODUCT :Microsoft C Compiler PROD/VER::1.0,1.5,2.0,4.0,5.0,6.0 OPER/SYS: KEYWORDS:kbLangC kbVC kbVC100 kbVC150 kbVC200 kbVC210 kbVC400 kbVC500 kbVC600 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual C++, versions 1.0, 1.5, 2.0, 4.0 - Microsoft Visual C++, 32-bit Enterprise Edition, versions 5.0, 6.0 - Microsoft Visual C++, 32-bit Professional Edition, versions 5.0, 6.0 - Microsoft Visual C++, 32-bit Learning Edition, version 6.0 ------------------------------------------------------------------------------- SUMMARY ======= In Microsoft C and in Microsoft C/C++, the goto statement and its corresponding label must be part of the same function; no other restrictions apply. However, because different compilers optimize for loops and allocate stack space for automatic variables in various ways, using a goto statement to transfer flow-of-control into the middle of a for loop is not portable and is considered unsafe. The most common use for the goto statement in structured programming involves error handling. In these cases, the goto statement usually leads out of a deeply nested for loop. Additional query words: ====================================================================== Keywords : kbLangC kbVC kbVC100 kbVC150 kbVC200 kbVC210 kbVC400 kbVC500 kbVC600 Technology : kbVCsearch kbVC400 kbAudDeveloper kbvc150 kbvc100 kbVC500 kbVC600 kbVC200 kbVC32bitSearch kbVC500Search Version : :1.0,1.5,2.0,4.0,5.0,6.0 Issue type : kbinfo ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.