Answers for "strcpy implementation in c"

1

strcpy in C

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

int main() {
   char str1[20] = "C programming";
   char str2[20];

   // copying str1 to str2
   strcpy(str2, str1);

   puts(str2); // C programming

   return 0;
}
Posted by: Guest on May-20-2021
0

strcpy c implementation

#include <stdio.h>
 
// Function to implement strcpy() function
char* strcpy(char* destination, const char* source)
{
    // return if no memory is allocated to the destination
    if (destination == NULL)
        return NULL;
 
    // take a pointer pointing to the beginning of destination string
    char *ptr = destination;
 
    // copy the C-string pointed by source into the array
    // pointed by destination
    while (*source != '\0')
    {
        *destination = *source;
        destination++;
        source++;
    }
 
    // include the terminating null character
    *destination = '\0';
 
    // destination is returned by standard strcpy()
    return ptr;
}
 
// Implement strcpy function in C
int main(void)
{
    char source[] = "Techie Delight";
    char destination[25];
 
    printf("%s\n", strcpy(destination, source));
 
    return 0;
}
Posted by: Guest on December-16-2020
-1

strcpy implementation in c

while ((*destination++ = *source++) != '\0');
Posted by: Guest on January-21-2021

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