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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}
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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 **   ** 
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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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#include <stdio.h>
#include *  **   *    * *  
int main()
{
 ** **  ** * * **  ****    *   length1,length2,c;
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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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{
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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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 * *    * *  ** * ** * * * * **      ** * * *** *****  *  ** * * * *  *** 
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   *  *  **  * * *   ****
**  * *** **  **  ****** * ** * ***  ** 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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 *** * *****   **** *  * **    * *** **  *  * ** ** *   *    **   * * *   *** ***    * **** ***  * is not a prefix of %s", prefix, word);
 *** * **  * *  *  ***  * * *  * ** ***  *   *    *** *    *   *   * *  ****** * * 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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  **   * * * ****  * * **   *    *** * *   
*** ** *   *   *     *   **  * {
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 *******  * ***  **  *  ** **   * *  ** * *****  ** * 0;
* *  ***  ** *   *  **    ** * }
      *   *  }
*  * *  *  ***       ***  ** is a prefix of ** **      * * word);
  **  **  *   * * 0;
}
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