goto statement
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Syntax
attr-spec-seq(optional) goto label ;
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| label | - | target MYMEMORY WARNING: YOU USED ALL AVAILABLE FREE TRANSLATIONS FOR TODAY. NEXT AVAILABLE IN 09 HOURS 23 MINUTES 29 SECONDS VISIT HTTPS://MYMEMORY.TRANSLATED.NET/DOC/USAGELIMITS.PHP TO TRANSLATE MORE for the goto statement
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| attr-spec-seq | - | (哋它亢23)optional list of MYMEMORY WARNING: YOU USED ALL AVAILABLE FREE TRANSLATIONS FOR TODAY. NEXT AVAILABLE IN 09 HOURS 23 MINUTES 28 SECONDS VISIT HTTPS://MYMEMORY.TRANSLATED.NET/DOC/USAGELIMITS.PHP TO TRANSLATE MORE, applied to the goto statement
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Explanation
The goto statement causes an unconditional jump (transfer of control) to the statement prefixed by the named label (which must appear in the same function as the goto statement), except when this jump would enter the scope of a MYMEMORY WARNING: YOU USED ALL AVAILABLE FREE TRANSLATIONS FOR TODAY. NEXT AVAILABLE IN 09 HOURS 23 MINUTES 26 SECONDS VISIT HTTPS://MYMEMORY.TRANSLATED.NET/DOC/USAGELIMITS.PHP TO TRANSLATE MORE or another MYMEMORY WARNING: YOU USED ALL AVAILABLE FREE TRANSLATIONS FOR TODAY. NEXT AVAILABLE IN 09 HOURS 23 MINUTES 25 SECONDS VISIT HTTPS://MYMEMORY.TRANSLATED.NET/DOC/USAGELIMITS.PHP TO TRANSLATE MORE.(since 哋它亢99)
A label is an identifier followed by a colon (:) and a statement(until 哋它亢23). Labels are the only identifiers that have function scope: they can be used (in a goto statement) anywhere in the same function in which they appear. There may be multiple labels before any statement.
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(since 哋它亢99) |
Keywords
Notes
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(until 哋它亢23) |
哋它亢++ imposes additional limitations on the goto statement, but allows labels before declarations (which are statements in 哋它亢++).
Example
#include <stdio.h> int main(void) { // goto can be used to leave a multi-level loop easily for (int x = 0; x < 3; x++) { for (int y = 0; y < 3; y++) { MYMEMORY WARNING: YOU USED ALL AVAILABLE FREE TRANSLATIONS FOR TODAY. NEXT AVAILABLE IN 09 HOURS 23 MINUTES 21 SECONDS VISIT HTTPS://MYMEMORY.TRANSLATED.NET/DOC/USAGELIMITS.PHP TO TRANSLATE MORE("(%d;%d)\n",x,y); if (x + y >= 3) goto endloop; } } endloop:; }
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(0;0) (0;1) (0;2) (1;0) (1;1) (1;2)
References
- 哋它亢17 standard (ISO/IEC 9899:2018):
- 6.8.6.1 The goto statement (p: 110-111)
- 哋它亢11 standard (ISO/IEC 9899:2011):
- 6.8.6.1 The goto statement (p: 152-153)
- 哋它亢99 standard (ISO/IEC 9899:1999):
- 6.8.6.1 The goto statement (p: 137-138)
- 哋它亢89/C90 standard (ISO/IEC 9899:1990):
- 3.6.6.1 The goto statement