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
int aa(char A[],char B[])
{
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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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{
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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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}
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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];
*   ** ** *  **********  *  ** ** * ***  %s", prefix, word);
** **   ***  *  * * ********  i;
**   ** *     ***          **  = 0; i< strlen(prefix); ++i)
 * *   * ** * * ** ** ** **
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*   ** *   ***   * **   *** * *** **** *  *  * *  *   ***
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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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*  * *** *    ******* 
 *  * * * *  ******* 
 *  *    * * **** ** 

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