mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-23 15:32:26 +00:00
28 lines
562 B
C
28 lines
562 B
C
/*
|
|
|
|
@deftypefn Supplemental char* strdup (const char *@var{s})
|
|
|
|
Returns a pointer to a copy of @var{s} in memory obtained from
|
|
@code{malloc}, or @code{NULL} if insufficient memory was available.
|
|
|
|
@end deftypefn
|
|
|
|
*/
|
|
|
|
#include <ansidecl.h>
|
|
#include <stddef.h>
|
|
|
|
extern size_t strlen (const char*);
|
|
extern PTR malloc (size_t);
|
|
extern PTR memcpy (PTR, const PTR, size_t);
|
|
|
|
char *
|
|
strdup(const char *s)
|
|
{
|
|
size_t len = strlen (s) + 1;
|
|
char *result = (char*) malloc (len);
|
|
if (result == (char*) 0)
|
|
return (char*) 0;
|
|
return (char*) memcpy (result, s, len);
|
|
}
|