C语言第一节课课后作业为什么报错
第一个报错62 23 E:\dev\未命名2.c storage size of 'fa' isn't known
这是我打的struct _finddate_t fa;
明明打的没有问题,但是就是报错
第二个报错
87 2 E:\dev\未命名2.c expected ';' before '}' token
第三个报错
96 6 E:\dev\未命名2.c expected ';' before 'findALLDirs'
下面是总共写的
#include <io.h>
#include <direct.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX 256
long total;
int countlines(const char* filename);
void findALLCodes(const char* path);
void findALLFiles(const char *path);
int countlines(const char* filename)
{
FILE* fp;
int count = 0;
int temp;
if ((fp = fopen(filename, "r")) == NULL)
{
FPRINTF(stderr, "Can not open the file:%s\n", filename);
return 0;
}
while ((temp = fgetc(fp)) != EOF)
{
if (temp == '\n')
{
count++;
}
}
fclose(fp);
return count;
}
void findALLcodes(const char* path)
{
struct _finddata_t fa;
long handle;
char thePath, target;
strcpy(thePath, path);
if ((handle = _findfirst(strcat(thePath, "/*.c"), &fa)) != -1L)
{
do
{
sprintf(target, "%s/%s", path, fa.name);
total += countlines(target);
} while (_findnext(handle, &fa) == 0);
}
_findclose(handle);
}
void findALLDirs(const char *path)
{
struct _finddate_t fa;
long handle;
char thePath;
strcpy(thePath, path);
if ((handle = _findfirst(strcat(thePath, "/*"), &fa)) == -1L)
{
fprintf(stderr, "The path %s is wrong!\n", path);
return;
}
do
{
if (!strcmp(fa.name, ",") || !strcmp(fa.name, ".."))
continue;
if (fa.attrib == _A_SUBDIR)
{
sprintf(thePath, "%s/%s", path, fa.name);
findALLCodes(thePath);
findALLDirs(thePath);
}
} while (_findnext(handle, &fa) == 0);
_findclose(handle)
}
int main()
{
char path = ".";
printf(" 计算中...\n");
findALLCodes(path)
findALLDirs(path)
printf("目前你总写了%1d行代码!\n\n,total");
system("pause");
return 0;
}
第一个报错是因为在定义结构体变量时,需要知道结构体的大小,但是在代码中只是定义了结构体类型,没有定义结构体变量。应该在代码中加上结构体变量的定义,例如:struct _finddata_t fa;。
第二个报错是因为在代码中有一个缺少分号的语句,需要在该语句后面加上分号。具体是哪一行需要看报错信息,但是一般来说这种错误比较容易找到。
第三个报错是因为在代码中调用了一个函数,但是函数的声明缺失了分号。应该在函数声明的末尾加上分号,例如:void findALLDirs(const char *path);。 我复制答案的62行的代码就没问题,自己写就报错{:5_107:}
#include <io.h>
#include <direct.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX 256
long total;
int countlines(const char* filename);
void findALLCodes(const char* path);
void findALLFiles(const char *path);
int countlines(const char* filename)
{
FILE* fp;
int count = 0;
int temp;
if ((fp = fopen(filename, "r")) == NULL)
{
FPRINTF(stderr, "Can not open the file:%s\n", filename);
return 0;
}
while ((temp = fgetc(fp)) != EOF)
{
if (temp == '\n')
{
count++;
}
}
fclose(fp);
return count;
}
void findALLcodes(const char* path)
{
struct _finddata_t fa;
long handle;
char thePath, target;
strcpy(thePath, path);
if ((handle = _findfirst(strcat(thePath, "/*.c"), &fa)) != -1L)
{
do
{
sprintf(target, "%s/%s", path, fa.name);
total += countlines(target);
} while (_findnext(handle, &fa) == 0);
}
_findclose(handle);
}
void findALLDirs(const char *path)
{
struct _finddate_t fa;
long handle;
char thePath;
strcpy(thePath, path);
if ((handle = _findfirst(strcat(thePath, "/*"), &fa)) == -1L)
{
fprintf(stderr, "The path %s is wrong!\n", path);
return;
}
do
{
if (!strcmp(fa.name, ",") || !strcmp(fa.name, ".."))
continue;
if (fa.attrib == _A_SUBDIR)
{
sprintf(thePath, "%s/%s", path, fa.name);
findALLCodes(thePath);
findALLDirs(thePath);
}
} while (_findnext(handle, &fa) == 0);
_findclose(handle)
}
int main()
{
char path = ".";
printf(" 计算中...\n");
findALLCodes(path)
findALLDirs(path)
printf("目前你总写了%1d行代码!\n\n,total");
system("pause");
return 0;
}
_Floj 发表于 2023-10-8 22:34
我复制答案的62行的代码就没问题,自己写就报错
可能是空格的问题,打掉重打试试
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