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()
{
***** *** *  **  ***   ** *** lenght1,lenght2,c;
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}
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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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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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{
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***  * ** * **   ***  * 
* * ** *  **    ** *** *  **  * * * * ***  is not a prefix of  *  **** 

*     * ***  **** ***  * *** 0;
}
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#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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*  **  *    *** *****     **** *     * *   **    *   *   **  *** *** is a prefix of **  *****    str1, str2);
 * *   ***  ***    ** 
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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];
*  * *  ** *   **   *    ***** ** **    %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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Hidden content!
*  * * * * **** *
* ****         *   *   *
**  ***   *     *  ****  

int main()
{
* *  *  ** **  *** char     * **
 *   * *****  char   ****
** **  ** *  *  * ***   **   * **  *  **   word);
     * *      int i;
  ** *      ** * for(i = 0;  * *  *       * ** ++i)
    ** * * * {
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*  *  ** * * ***     ** * * **    *    **    * *  *    0;
    ** ** * *   ***  **** *   * ** }
*   ** * *   **  }
  * * **   ** *    * ******** *  is a prefix of * ****  *    *** word);
* * ***  *****    * 0;
}
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