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     * *
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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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  *  *  *    ** ** ***  **     ** 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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   **     * **   **   *  *    
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 *  * *  *  *** *   *     *** **  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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#include   * ******   *  
#include  ** *   *  ***
#include *** ** ***     * 

int main()
{
**     * **  ***  * * *  * ********* prefix[100];
* * ***  ****  *    *   ** word[100];
** *       *  **  *   *********     **  %s", prefix, word);
    * * *   *  *    *****   i;
   *     ** ** * *  ** **  * = 0; i< strlen(prefix); ++i)
  *  ****   **        **   
 * *  * ******* * ** *   *  * *   *** ** * ** * ** **   *    * * ** ***
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 **    *    *  ** *  **  **     * **** ** * *  **    *   *    *  **** *   *  ** *   *   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);
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 *  ***  * *  ** for(i = 0;  **   * ***** * ++i)
 *  * * ****     {
**  *   ** **** *      * * * **   * * * **  
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 * *   *      *** *   *     ****  **    ****  * ***      *   is not a **** of   **  *** ** * word);
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  ***    *    ****   * **  *  *    }
***  ** * * }
  * **** * **   *****  * is a prefix of ***   *  *      ** word);
  * *   **    ****  0;
}
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