ref: cb31a80ef0c5eafd2a6e338397134c503b3f8b19
dir: /libc/src/setlocale.c/
/* See LICENSE file for copyright and license details. */ #include <locale.h> #include <stddef.h> char * setlocale(int category, const char *locale) { if (category > LC_TIME || category < LC_ALL) return NULL; if (!locale || locale[0] == '\0' || locale[0] == 'C' && locale[1] == '\0') { return "C"; } return NULL; }