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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*** ***     * *****  *** *   ** 0;
}
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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
int aa(char A[],char B[])
{
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}
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Hidden content!
#include * **  *   ** *  
*** * *   **   *  * *
int main (){
char       ** 
char   * * 
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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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 ***   *    * ** ****  **   * *****    *  * ****    ** ***  is not a prefix of %s",a,b);
 **** **  ***   ***** ** ***  *
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}
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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];
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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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#include            *
#include *  * ** ** * ** *   
#include  * *** **** *** 

int main()
{
** **      * ****  *  * * * prefix[100];
  *       **  **  **    ** ** word[100];
* *** *   *   * * *  * *    **      ** * * %s", prefix, word);
****   **   **** **   i;
*     *  * *    * **     ***  ** ** = 0; i< strlen(prefix); ++i)
*     *        *  *   **  
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*   *      * * * * ** *****    ** *** ** * *  ** 
***  **  ** *****  ** *  *
* *   * * **   **  **  *  * ** ** * * * * is a prefix of %s", prefix, word);
 *       * * *  ***   ***   * ** 0;
}
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Hidden content!
 * ** ** ******** **
** ****      *  **    *
   ***    * *  *  *    

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