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20 lines (13 sloc) 312 Bytes
/* ultrix doesn't have strdup */
#include <string.h>
#include <stdlib.h>
char *strdup (const char *s) /* __MEM_CHECKED__ */
{
char *d;
if (s == NULL)
return NULL;
if ((d = malloc (strlen (s) + 1)) == NULL) /* __MEM_CHECKED__ */
return NULL;
memcpy (d, s, strlen (s) + 1);
return d;
}