ref: 934e2128978ff00ff47a6bd148e209f73b4b6252
dir: /src/libc/string/strerror.c/
#include <errno.h>
#include <string.h>
#undef strerror
char *
strerror(int errnum)
{
	if (errnum > EUNKNOWN || errnum <= 0)
		errnum = EUNKNOWN;
	return _sys_errlist[errnum];
}