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GeezerVison is showing github.com — CLearningCode/CFirst/CFirst/CFirst.cpp at master · dreamsql/CLearningCode

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CFirst.cpp

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// CFirst.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#define MAXLINE 1000
int strlen(char s[]);
void strcat(char s[],char t[]);
void squeeze(char s[],char c[]);
int any(char s1[],char s2[]);
int bitcount(unsigned x)
{
int b;
for(b=0;x!=0;x&=(x-1))
{
if(x&01) b++;
}
return b;
}
int getline(char line[],int maxline);
void copy(char to[],char from[]);
void reverse(char input[]);
int _tmain(int argc, _TCHAR* argv[])
{
char target[256]="abcdefghij";
reverse(target);
printf("%s",target);
return 0;
}
void reverse(char input[])
{
int i,j;
i=j=0;
while(input[i++]!='\0')i++;
i-=2;
while (i>=j)
{
char temp=input[i];
input[i]=input[j];
input[j]=temp;
i--;
j++;
}
}
int getline(char s[],int lim)
{
int c,i;
for(i=0;i<lim-1&&(c=getchar())!='&'&&c!='\n';i++)
{
s[i]=c;
}
if(c=='\n')
{
s[i]=c;
i++;
}
s[i]='\0';
return i;
}
void copy(char to[],char from[])
{
int i=0;
int j=0;
while((to[i++]=from[j++])!='\0');
}
int any(char s1[],char s2[])
{
int i,j;
i=j=0;
while (s1[i]!='\0')
{
if(s2[j]=='\0') break;
if(s1[i]==s2[j])
{
j++;
}
else
{
j=0;
}
i++;
}
if(s2[j]=='\0') return i-j;
return -1;
}
bool isin(char s[],char c)
{
int i=0;
while(s[i]!=c&&s[i]!='\0')
{
i++;
}
return s[i]=='\0'?false:true;
}
void squeeze(char s[],char c[])
{
int i,j;
i=j=0;
for(;s[i]!='\0';i++)
{
if(isin(c,s[i])==false)
{
s[j++]=s[i];
}
}
s[j]='\0';
}
void strcat(char s[],char t[])
{
int i,j;
i=j=0;
while(s[i]!='\0')i++;
while ((s[i++]=t[j++])!='\0');
}
int strlen(char s[])
{
return 0;
}
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