1 /*
2 Copyright (c) 2016 Corinna Vinschen <corinna@vinschen.de>
3 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
4  */
5 #define _DEFAULT_SOURCE
6 #include <ctype.h>
7 
8 #undef isalpha_l
9 int
isalpha_l(int c,struct __locale_t * locale)10 isalpha_l (int c, struct __locale_t *locale)
11 {
12 #if _PICOLIBC_CTYPE_SMALL
13     (void) locale;
14     return isalpha(c);
15 #else
16     return __locale_ctype_ptr_l (locale)[c+1] & (_U|_L);
17 #endif
18 }
19