Question

How to copy string without using strcpy() in C

Answer 1

#include <stdio.h> 

int main(void)
{   
    char s1[20] = "c c++ java", s2[20];
    int i = 0;

    while (s1[i])
    {
        s2[i] = s1[i];
        i++;
    }

    s2[i] = '\0';
    printf("%s", s2);
            
    return 0;
}

  
/*
run:

c c++ java

*/

 

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Answer 2

#include <stdio.h> 

int main(void)
{   
    char s1[20] = "c c++ java", s2[20];
    int i = 0;

    do 
    {
        s2[i] = s1[i];
    } while (s1[i++]);

    s2[i] = '\0';
    printf("%s", s2);
            
    return 0;
}

  
/*
run:

c c++ java

*/

 

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