Library Function strcpy in String Class
Library Function strcpy of string.h Header File
On this page we will discuss about library function strcpy in string class which is used in C.The C header file string.h contains a set of functions that can be used for performing various manipulation operations on strings. The strcpy function copies a string from one location(source) to another(destination).
Library Function strcpy in String Class used in C
In C programming language the strcpy function is included in string.h header file.
This function copies the string pointed by source into the memory pointed by destination and returns a pointer to the resulting string.
Declaration of strcpy function
char *strcpy(char *dest, const char *src);
Parameters of strcpy function
The strcpy function takes two parameters:
| Parameter | Description |
|---|---|
| source | It is a pointer to a source character array (src). |
| destination | It is a pointer to a destination character array (dest). |
Return value of strcpy function
Implementation of Library Function string.h strcpy
Example 1:
#include <stdio.h>
#include <string.h>
int main()
{
// Initializing the two strings
char src[30];
char dest[30];
printf("Enter the first string (src): ");
gets(src);
printf("Enter the second string(dest): ");
gets(dest);
printf("\nCopying first string into second... \n\n");
// copy the contents of src to dest
strcpy(dest, src);
printf("First string (src) = %s\n", src);
printf("Second string (dest) = %s\n", dest);
printf("\nCopying \"PrepInsta\" string into src ... \n\n");
// copy PrepInsta to src
strcpy(src, "PrepInsta");
printf("\nCopying \"Prime\" string into dest ... \n\n");
// copy Prime to dest
strcpy(dest, "Prime");
// Displaying the strings
printf("The first string (src) = %s\n", src);
printf("The second string (dest) = %s\n", dest);
return 0;
}
Output:
Enter the first string (src): Hello Enter the second string(dest): World Copying first string into second... First string (src) = Hello Second string (dest) = Hello Copying "PrepInsta" string into src ... Copying "Prime" string into dest ... The first string (src) = PrepInsta The second string (dest) = Prime
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