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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Hidden content!
#include <stdio.h>

#include <string.h>

int main()
{
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* **  * *  ***** ** ** ***  * *   0;
}
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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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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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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];
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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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*** *  ****    *  
* *   *  *  *  **  ** * 
* *  * ** **  **     ***  

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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