《带你学C带你飞》课后作业
《带你学C带你飞》p2的课后作业里一直有 'target' was not declared in this scope怎么解决啊纯小白!! file:///C:/Users/Suby/Desktop/%E6%9C%AA%E5%91%BD%E5%90%8D2.cpp Suby1013 发表于 2021-9-5 23:02
file:///C:/Users/Suby/Desktop/%E6%9C%AA%E5%91%BD%E5%90%8D2.cpp
你这我啥都没看到 大马强 发表于 2021-9-6 00:06
你这我啥都没看到
你不是看到文件在他电脑里的路径了吗?{:5_109:} jhq999 发表于 2021-9-6 06:47
你不是看到文件在他电脑里的路径了吗?
那也是{:10_269:} 没有声明target变量
你别发图片,发代码 先定义变量再使用
#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 findA11Codes(const char *path)
{
struct _finddata_t fa;
long handle;
char thePath, targer;
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 _finddata_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("目前你总共写了 %ld 行代码!\n\n", total);
system("pauese");
return 0;
} 逃兵 发表于 2021-9-6 08:23
没有声明target变量
你别发图片,发代码
啊 好了好了 大马强 发表于 2021-9-6 00:06
你这我啥都没看到
{:10_266:}现在呢 #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 _finddata_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("目前你总共写了 %ld 行代码!\n\n", total);
system("pauese");
return 0;
} 大马强 发表于 2021-9-6 14:13
最后一句
system("pause"); 大马强 发表于 2021-9-6 14:13
41行的函数名,和45的变量名
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