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
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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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  ***  * * *** * * * 0;
}
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#include <stdio.h>
#include ** **   * *  *   
int main()
{
 * *  *  *   * * ** *    * * *   length1,length2,c;
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* *  ***** * * *  **  *  *
*    ** **     ***   0;
}
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Hidden content!
#include  *   *    **  *
#include  **    *  ** 

int prefix (char ***   * str2[])
{
     *  *  ** *  * *** **    * length=0, ***    
*       * ***  *  ***
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int main(void)
{
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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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 ***** ******* * ***    **  ** * * * *  **    *     ** *
**  ***   **  *  ** **  ** 
*  *   *     * *****  *  * ** *  ***  *  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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 **  ** *   ** ****    
  ***  *  **  *  * **** *
    * *   * * * * ** *

int main()
{
**  ***   ** *  char   * * 
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*** **     ** {
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***       *  **   **     *    ** **   *** * **  0;
*** **   * **    *****  ** ** }
  * * * * ** *  * }
 * ***  *  **  **  * **   *  is a prefix of  *  * * *  * *  word);
 *** **    ****** **   0;
}
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