The strdup() and strndup() functions are used to duplicate a string.
Syntax : char *strdup(const char *s);
This function returns a pointer to a null-terminated byte string, which is a duplicate of the string pointed to by s. The memory obtained is done dynamically using malloc and hence it can be freed using free().
It returns a pointer to the duplicated string s.
Below is the C implementation to show the use of strdup() function in C:
syntax: char *strndup(const char *s, size_t n);
This function is similar to strdup(), but copies at most n bytes.
Note: If s is longer than n, then only n bytes are copied, and a NULL (”) is added at the end.
Below is the C implementation to show the use of strndup() function in C:
Reference: Linux man(7)
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