C++ strncpy()

Syntax of strncpy() in C++.

Parameters of strncpy() in C++

dest − A pointer that points to the destination array where the content will be copied.

src − This is the string to be copied.

n − This is the number of characters that must be copied from the source.

Return value of strncpy() in C++

strncpy() in C++ returns the pointer to the copied string.

What is strncpy() in C++ and how does strncpy() function works?

What is strncpy() in C++

strncpy() in C++ copies up to n characters from the string pointed to by src to the string pointed to by dest.

There can be two cases depending on the value of n and the length of the source.

The strncpy() in C++ checks for the value of n, and according to the value of n, the strncpy() copies the characters from the source to the destination.

How does strncpy() in C++ works

If the length of the source is less than n i.e., there are not enough characters to be copied then, null bytes will be added to the remainder of dest. If the source is longer than num, i.e., n characters can be copied from the length of the source, then no null character is appended to the destination.

Examples

• When the count is less than the length of the src

Output

• When count is more than length of src

Output