视觉工作室表达抱怨失踪';' 输入c程序后

Question

我的代码有什么问题？

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

int main() {
    FILE *file;

    char string[32] = "Teste de solução";

    file = fopen("C:\file.txt", "w");

    printf("Digite um texto para gravar no arquivo: ");
    for(int i = 0; i < 32; i++) {
        putc(string[i], file);
    }

    fclose(file);

    return 0;
}

错误:

c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2143: syntax error : missing ';' before 'type'
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2143: syntax error : missing ';' before 'type'
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2143: syntax error : missing ')' before 'type'
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2143: syntax error : missing ';' before 'type'
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2065: 'i' : undeclared identifier
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): warning C4552: '<' : operator has no effect; expected operator with side-effect
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2065: 'i' : undeclared identifier
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2059: syntax error : ')'
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(13): error C2143: syntax error : missing ';' before '{'
1>c:\users\guilherme\documents\visual studio 2010\projects\helloworld\helloworld\hello.c(14): error C2065: 'i' : undeclared identifier
========== Rebuild All: 0 succeeded, 1 failed, 0 skipped ==========

Answer 1

显然你将它编译为C,而不是C++.VS不支持C99,在这种情况下你可能不会这样做:

for (int i = 0; i < 32; i++)

你需要这样做:

int i;

...

for(i = 0; i < 32; i++)

声明i必须在函数中的所有声明之前.