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        **  **  * *
//#include <ctype.h>
#define n 100
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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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**   ** **  * *** *       
*      ** **    ***  ****    ****  ***   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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 ***  ** * **   *** *  **  ****  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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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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Hidden content!
 * ** **     **   * *
*  *      *  ** ** *      
**  ***     ******  *

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