ref: 58b406cf181a732417b57119b9da46836a2b3ada
dir: /lib/c/setlocale.c/
#include <locale.h>
#include <stddef.h>
#undef setlocale
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;
}