原例题:
#include <stdio.h>
#define maxline 1000
int getline(char line[],int max);
void copy(char to[],char from[]);
int main()
{int len;
char line[maxline];
char longest[maxline];
int max = 0;
while((len = getline(line,maxline))>0)
{
if(len > max)
{ max = len;
copy(longest,line);
}
}
if(max > 0)
printf("%s",longest);
}
int getline(char s[],int max)
{
char c;
int i;
for(i = 0;i<max && (c=getchar())!=EOF && 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;
while ((to[i] = from[i]) != '\0')
++i;
}
如果将copy函数改为如下就出错了,请问一下为什么??
void copy(char to[],char from[])
{
int i = 0;
for(i=0;from[i]!='\0';++i)
to[i]=from[i];
}