error ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法
error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法
for(int i=0;i<5;i++)
{
…
}
錯誤:使用gcc編譯代碼報錯 :error: ‘for’ loop initial declarations are only allowed in C99 mode
note: use option -std=c99 or -std=gnu99 to compile your code
error ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法
error ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法
在for循環外面定義變量後則不報錯
error ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法
error ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法
解決辦法2:在makefile或者Makefile檔案後添加 -std=c99
如:
test: test.c
gcc -o $@ $^ -std=c99
.PHONY:clean
clean:
rm -f test
error ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法
error ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法error: ‘for’ loop initial declarations are only allowed in C99 mode的報錯原因和兩種解決辦法