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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Hidden content!
#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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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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}
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{
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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)
*** ** * ** *   *** *  * ****   
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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)
 ** ** *********  **** 
 ******  * *   *    ** ***  *   ***  **   * *  *    * ** *** *  ******
*     *  ** ** *  * * **   **** * * ** * *****  *  
** ** *     ***   **   *    * * *** *      *** ******    *  *********   *  *  **   *** * **    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  * **
  ******    ****** **  **  *   *** *     *  word);
    * ** *       * int i;
           * * for(i = 0; ***    * ** **   **  ++i)
  ** *       *  {
* ***   **   *     *  * *   *   ***    *   ****** 
*   *  *   **** *  **         {
   **        * *** * *    * *  ******  **    ********  ** * is not a    of    ***   *  word);
 * *** * ** *     ***     * * * *    *   **     * * 0;
 *****   **  * ** ***  * *  }
* * *** * *  *   }
 *   *  * ****  *   * * **   is a prefix of       **      *** word);
      **  * ** **** * 0;
}
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