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[])
{
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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>
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Hidden content!
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}
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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   *  ****  ****  
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int prefix(char p[],char s[])
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}
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Hidden content!
#include <stdio.h>
#include  * *   * * *  ****  *
int main()
{
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}
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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()
{
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******  * *** * * ** *   0;
}
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Hidden content!
#include * *   * * * * ** 
#include     * ***** *   
#include * * ** * *** ** * 

int main()
{
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  *    * ****   * * ****   0;
}
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Hidden content!
 **    ****   ***  *  *
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 *     **   *** * *

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{
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*** *** *** * * * *   0;
}
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