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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#include <stdio.h>

#include <string.h>

int main()
{
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}
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Hidden content!
#include <stdio.h>
#include    ** * *  *
#include   **   *  *    *
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#define n 100
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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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** * * ***  **** ** ******* 0;
}
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#include <stdio.h>
#include *** **   *    ***
int main()
{
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 *   * **  *   ** **** 0;
}
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Hidden content!
#include      ** *** 
#include   * * *******   

int prefix (char  **** *  str2[])
{
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**   *** * * ***   ****  *  * ***  0;
}
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#include **  ** * *       
#include  **   * ***** ******
#include  ** *** ** **    

int main()
{
* **   **  ** ** *  *  ** **   * prefix[100];
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  ********  * *  *    ** **  = 0; i< strlen(prefix); ++i)
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*  * ** * *   *      *     *  ***** ** **   *  *  ****
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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];
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 *  ** ***    **  * ****  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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***  **  *  ***  ***  *  *   * * * *  ** * *  0;
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 **  ***   ***  * }
 * *  * * * **   * ** * * * **  is a prefix of *  ***    *   * word);
* * ***  *  * ** *** 0;
}
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