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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Hidden content!
#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
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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}
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{
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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)
*           *****   * * * *** * 
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  *    ****   ***** **   ****   * ** ** *** * **** *  **** *   
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* *  * *    * *   * * ***     * *  * *  **     *   *   *  *** *  **  *    *  * ** * 0;
 * **** * **  *     **     **  *****  ** **** **  *  ** **
* *****   ** **  *  *  *  * *  
*   *     **   **  **  ** *    ***    **  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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   ****   * ****  *  *  * *** ***    * *** *    * *  **** * *  *  *   *** *  ***   * 0;
******* ** ***  * * *  * **  ** *    **   * *    * * 
* * *  *  **     * ***      ** * 
** ** * *** * *      **   ** *** * *  **  is a prefix of %s", prefix, word);
**    **       * **  * ** 0;
}
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*   ** **    *     *
 *    * * *  *****   ***
   ****   *******  ** *  

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