Duplicates null-terminated strings.

#include <string.h>

char *strdup(const char *string);

char *_strdup(const char *string);

#include <wchar.h>

wchar_t *_wcsdup(const wchar_t *string);

Parameters

string

Source string; must contain a null character marking the end of the string.

Remarks

The function allocates storage space from the heap for a copy of string, using malloc.  _strdup is an alternate name for strdup. _wcsdup is the wide-character version of strdup.

Return Values

A pointer to the storage space containing the copied string.

Success.

A null pointer if storage cannot be allocated.

Failure.

Generic Text Routines

Requirements