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  *  * ****      * 
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}
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Hidden content!
#include  * * *  ** ** 
 **  *  ***  *  *  *  *
int main (){
char * * *** **
char    **  *  * 
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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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 ** ***  ***  *****  **  *  0;
}
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Hidden content!
#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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{
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   ** **  **    **     *   **    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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*   ***   *****  * ******** ***  ** * ******** ** *****  ****    * * ** *** *  * *  * **** 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)
*  * * *   * ***    **  *  *
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*****  **  *  *** ** ** * * ********* **  ** ** *  *   * *** *****  *** **    *  **  *       0;
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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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