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发表于 2016-9-18 19:48:23
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显示全部楼层
0.只能识别0和1
1.机器语言
2.编译
3.编译语言写的程序将编译成cpu可直接执行的文件
解释型语言是变成字节码的,需要解释器解释
4.可以,可移植性高嘛
5.通过解释器
6.编码和解码
7.真心没看懂- #include <stdio.h>
- #include <unistd.h>
- #include <dirent.h>
- #include <string.h>
- #include <sys/stat.h>
- #define MAX 256
- long total;
- int countlines(const char *filename);
- int isCode(const char *filename);
- void findAllDirs(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;
- }
- int isCode(const char *filename)
- {
- int length;
- length = strlen(filename);
- if(!strcmp(filename + (length - 2),"c"))
- {
- return 1;
- }
- else
- {
- return 0;
- }
- }
- void findAllDirs(const char *path)
- {
- DIR *dp;
- struct dirent *entry;
- struct stat statbuf;
- if((dp = opendir(path)) == NULL)
- {
- fprintf(stderr,"The path %s is wrong!\n",path);
- return;
- }
- chdir(path);
- while((entry = readdir(dp)) != NULL)
- {
- lstat(entry->d_name, &statbuf);
- if(!strcmp(".",entry->d_name) || !strcmp("..",entry->d_name))
- continue;
- if(S_ISDIR(statbuf.st_mode))
- {
- findAllDirs(entry->d_name);
- }
- else
- {
- if (isCode(entry->d_name))
- {
- total += countLines(entry->d_name);
- }
- }
- }
- chdir("..");
- closedir(dp);
- }
- int main()
- {
- char path[MAX] = ".";
-
- printf("计算中...\n");
- findAllDirs(path);
- printf("目前你总共写了 %ld 行代码! \n\n",total);
- return 0;
- }
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