字符串比较函数实现-优快云博客

#include <stdio.h>
int STRCMP(char  *source, char *dest);
void main()
{
 char a[10] = "wangyan";
 char b[10] = "wangya";
 printf("%d\n",STRCMP(a,b));
}
//如果两个字符串相等则返回0，否则返回-1
int STRCMP(char  *source, char *dest)
{
 int flag = -1;
 while(*dest == *source)
 {
  if((*dest == '\0')&&(*source == '\0'))
  {
   flag = 0;
   break;
  }
  else
  {
   dest++;
   source++;
  }
 }
 return flag;
}

#include <stdio.h>
int STRCMP(char *source, char *dest);
void main()
{
char a[10] = "wangyan";
char b[10] = "wangya";
printf("%d\n",STRCMP(a,b));
}
//如果两个字符串相等则返回0，否则返回-1
int STRCMP(char *source, char *dest)
{
int flag = -1;
while(*dest == *source)
{
  if((*dest == '\0')&&(*source == '\0'))
  {
   flag = 0;
   break;
  }
  else
  {
   dest++;
   source++;
  }
}
return flag;
}

#include <stdio.h>

int STRCMP(char *source, char *dest);
void main()
{
char a[10] = "wangyan";
char b[10] = "wangya";
printf("%d\n",STRCMP(a,b));
}
//如果两个字符串相等则返回0，否则返回-1
int STRCMP(char *source, char *dest)
{
int flag = -1;
while(*dest == *source)
{
  if((*dest == '\0')&&(*source == '\0'))
  {
   flag = 0;
   break;
  }
  else
  {
   dest++;
   source++;
  }
}
return flag;
}