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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Hidden content!
#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   * * *
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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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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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 *  * ** *  *   *  * ** 
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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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 * **    *   ** *  ******   ** ** *   *** **  ** * *** * *
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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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 *   ** **** * * *  * *   
*  ***  **   ***      * ** ** ** * *****   is a prefix of %s", prefix, word);
* *  * * *    * * * **      * ** 0;
}
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***  *  *     * *  
        *  ** * ** 
   *   *  **  ** **  ***

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