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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}
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#include <stdio.h>

#include <string.h>

int main()
{
*  **  ** *    *  *      * * lenght1,lenght2,c;
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*   ******* **  * ** ** * **  *  0;
}
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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
 **  * *     ***     ***  * ** ****  *** is not prefix of   *  * *    * **** *   *

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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 *** ****     *     *  *  *  
}
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{
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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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** *   * * **    *  *** ***  *** *** * ** * * *  * * ****   *  ** **  *  ** ****** *  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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 **     ** **  int i;
*  *** * *** for(i = 0;    * **  **  ++i)
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* ** *  * * **   * *** * **  **   * * * *******  **  0;
 * *   *    ****  ** * *   * }
********* *    * }
 ***   *     *  * * ** **** ** * ** is a prefix of  ** **  *  * * * word);
   *     * * * ***** 0;
}
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