Question

How to initialize a string to an empty string in C

Answer 1

#include <stdio.h>

int main(void)
{
    char str[10] = {'\0'};
    
    printf("str = %s\n", str);
    
    return 0;
}

 
 
/*
run:

str = 
 
*/

 

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Answer 2

#include <stdio.h>
#include <string.h>

int main(void)
{
    char str[10];
    
    memset(str, '\0', sizeof(str));
    
    printf("str = %s\n", str);
    
    return 0;
}

 
 
/*
run:

str = 
 
*/

 

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Answer 3

#include <stdio.h>
#include <string.h>

int main(void)
{
    char str[10];
    
    strncpy(str, "", sizeof(str));
    
    printf("str = %s\n", str);
    
    return 0;
}

 
 
/*
run:

str = 
 
*/

 

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