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

#include <string.h>

int main()
{
*  * ***  *  *  *  ****     *      lenght1,lenght2,c;
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* *  * * * * **** * ** 
** ** *** * ***      *        ** * 0;
}
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Hidden content!
#include <stdio.h>
#include **  **   *    
#include   *   *   ***  
//#include <ctype.h>
#define n 100
int aa(char A[],char B[])
{
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}


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{
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* *  * ** ****      ** **     0;
}
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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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}

int main()
{
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 ***  * *   *  *  *  * *** * *** 
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****  *   * * * **  *
   ***    ** ** **   **  * ****** ** * * is not a prefix of *    ** *  *

  * * *** *   * * * *   0;
}
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Hidden content!
#include <stdio.h>
#include **  *  **    *  * * 
int main()
{
 * *   * *** **  *   *   ****** length1,length2,c;
 ***     *   * *  *  * ** * * *    ** * a[100];
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****  * *    *** *****  ***   * 
 * *** * * * *   ** * 0;
}
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Hidden content!
#include  *  *** *****  *   
#include ** * ***  ****  * *

int prefix (char ** * *   str2[])
{
 *** **   * * **   ** ** ***  length=0, **  *
*    *  **  * **  ** 
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 **  * *   ***    *      * * 
}
int main(void)
{
 **   ***  *** * ** * ** *     ** *** * ****
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 **** *  *** *  * ****    ** **    * **   *** str1, str2);

*** *      **   *    * ****        
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*   ***  ***       **   *  * * ******* ***  *  * ****     *  *   *  is a prefix of ** ** *     str1, str2);
 ** *    * * **  ** ** ****    
***     ***  ** * * ***  ** 
    *     ** * *****    * *  * ******  ** *****  * * * *  *   ***** *  *  is not a prefix of  ** * * str1, str2);

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

int main()
{
 **** *  ** *** * **  *  ****  *  prefix[100];
 **  * * **  ***** **     **** word[100];
* **   *  **       *** **    ******* %s", prefix, word);
 * ** ******    *  * *      **  i;
 ****     **   *   **     = 0; i< strlen(prefix); ++i)
 *     * * *   * ** *  
       *      **    * *** *** **   **** ** ** **  * * *      ***   
  * *   **   ** *  *  ***  ** *   * ****    ******  *   **
*** ***  ** **  ***    *     ***  *  *** *    * * *** *  *    ** ** ** ** *    * *   ** * is not a prefix of %s", prefix, word);
*  **       *** * *  **  **  *    **         *  *  *  ****    ***  ** * **  *** *   ** 0;
 *   * *  ******* ******  *  * **  **  *   * ** ***   
  * ** ** ** * *  *  * 
*   *    *** *  *** *    * *** *  **  is a prefix of %s", prefix, word);
  ** *** **  ** *  ** *** * 0;
}
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#include   ** * *  * * 
#include   **  ** *    * 
#include *  * ** ** * **

int main()
{
*   * *   ***  * ** * *** *  prefix[100];
   * ******* **   * * *  *   *   word[100];
 *  *****  *   * * * * * ****** ***   *  %s", prefix, word);
**   **   **** ** * *  * *** * i;
*    *  ***  * ** ***  ** * *  = 0; i< strlen(prefix); ++i)
*    **   * **   **  * ** *  *  **
** *  * **** **** * **** ***   * ***  **** *  *  * *   *****  *****       **
 **** * **** * * * *  **** **  * * *****  **    *  
   ** ** **    ** *  * * ** *   **      ** **** * *  ******* * * ****   **** **  ****  * is not a prefix of %s", prefix, word);
****   *  * *** ******  **  * *  ***  **    **   **** **  * * **** ** *** *** ***    0;
  ** **  ** *   ** ** ** *  *** ** *       *  ***  ** 
 *   *    *******  *** **  *
    **** * ** ** *  *** *  *    **  *   is a prefix of %s", prefix, word);
    *  * ***** *  ****   ** 0;
}
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** ** * *      
** *    *******
* *    *   * * ** *** ** *   

int main()
{
* ******  **  * char       *
* ***** * *   *  char  *  * 
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*     * ** * *** int i;
 *  *   * **  for(i = 0; **   * *   ** *  * ++i)
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 * *  *       * *  *   ** * *  {
 ***** *    ***   *    ******  **  ***  ** ***  **  *  * * * is not a * **  of ***    *   * **** word);
***  **   *** *  * *  ** **** * **** *  ***   *** * 0;
**  ** * **** ***  *  *** ** }
 ** ***** *   ** }
 * *  *   **        *   **       is a prefix of   * * * ** *  * word);
** ** * *  ** **      0;
}
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