1-11 Exercise 3: Prefix of a string

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A string p is a prefix of a string s if the leading characters of s are identical to p. For example, "abc" is a prefix of "abcde". Develop a function prefix that checks if a C string p is a prefix of another C string s.

p是s的前綴若s開頭的一段字串等於p。例如，"abc"是"abcde"的前綴。寫一個程式 判斷字串p是否字串s的前綴。

Example input 1:

abc
abcde

Example output 1:

abc is a prefix of abcde

 

Example input 2:

bc
abcde

Example output 2:

bc is not a prefix of abcde

 

[Exercise] Coding (C) - asked in Chapter 13: Strings by (12.1k points)
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#include<stdio.h>
#include<string.h>
char prefix(char string1[],char string2[])
{
    int i,s;
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}
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{
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}
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#include <stdio.h>

#include <string.h>

int main()
{
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}
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Hidden content!
#include <stdio.h>
#include * * * ***** *  ***
#include ** **  *  *** 
//#include <ctype.h>
#define n 100
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}
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Hidden content!
#include * ****** **    * 
  *  **  ***  ***  **
int main (){
char   * * *
char * * ** * 
*       *** ******* string1: ** * * *
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else
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return 0;
}
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prog.c: In function 'main':
prog.c:7:9: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[100]' [-Wformat=]
 scanf("%s",&string1);
         ^
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Hidden content!
#include    **       *   
#include * **  ***  ** 
#include  *  * * *** 
#include *** ** ** * 
int prefix(char p[],char s[])
{
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{
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**   **  ** **  ****
  * *     **** *   ******   ** ** * * * is not a prefix of ****  **** 

**     *  *   ** * ****  * 0;
}
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#include <stdio.h>
#include  * *** *    
int main()
{
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*  **  * ** ***  * *   *   **  * 
*   * ***  **** * 0;
}
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Hidden content!
#include     *   ** *** **  **
#include *****    * ***   * 

int prefix (char  *  **** str2[])
{
  *  * *** * ****** ** *  *  * length=0, * * *
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***   *** ** **       ***** * * * * **     *    *   ** **** *   is not a prefix of  ** ** * str1, str2);

*  * ** ****  **  ***** ********* 0;
}
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#include *  *  * *    ** * 
#include  * *  * * ** * *
#include * *   ***  *** **

int main()
{
***    * * *  ***** *** *  **  ** * *  prefix[100];
* ** * ****    * *  ****    * word[100];
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 * *  * * *  *    *     **    ***     i;
* * * *    **  *** * ***  = 0; i< strlen(prefix); ++i)
 ******      **  ** * *  
 *   **  *      **      * * **** * *  * **  **  * *  * * *  * **  ***
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 ***   ** *  *** * **  *** * ** **   ***  *** ** *     *    * *
*   ** ***  **  *   *    *** *  
****  * * *  ** ** * ***** **** ***   is a prefix of %s", prefix, word);
*  * * * * **** * ***  *     ***  0;
}
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Hidden content!
#include **  ** ** ***  
#include   ***     *   * 
#include **    *  ** *

int main()
{
** *  * ***  ** * **  *  ****** ** prefix[100];
**   **     ****       * ** word[100];
**  ** * *******   ******  * *  ***   * * %s", prefix, word);
*   * * * *  *** * * * *** * *  * i;
        * *  ***   ***  **  *** * = 0; i< strlen(prefix); ++i)
 *     ** * * ****** *  **
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 *   **      *   **   * ***** * ****** ***     * ** *  *   
***   *  ** **     * 
  * ***  **  ***   ** ** *  * *  **  is a prefix of %s", prefix, word);
 ***  ** ** *  *    **** *     0;
}
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* * *  **** ** *  
 ****  ***  ***  * * 
   **  * *    ******  

int main()
{
    **           * char    * *
 *   **      *** char ** *** 
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 **** ** ******   *  ****    ****      ** *  ***   *  0;
 ***      *** * **     * **  ** }
* *** *     **  }
**        ********  *  *****     is a prefix of       **    * *  * word);
   **    ***     * ***  0;
}
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