24 char *kstrdup(const char *s, gfp_t gfp)  in kstrdup()  argument
29 	if (!s)  in kstrdup()
32 	len = strlen(s) + 1;  in kstrdup()
35 		memcpy(buf, s, len);  in kstrdup()
46 char *kstrndup(const char *s, size_t max, gfp_t gfp)  in kstrndup()  argument
51 	if (!s)  in kstrndup()
54 	len = strnlen(s, max);  in kstrndup()
57 		memcpy(buf, s, len);  in kstrndup()
117 char *strndup_user(const char __user *s, long n)  in strndup_user()  argument
122 	length = strnlen_user(s, n);  in strndup_user()
130 	p = memdup_user(s, length);  in strndup_user()