strerror_r_ss
strerror_r_ss,
int strerror_r_ss(int, char *, size_t);
#define STRERROR_R(a, b, c) strerror_r_ss(a, b, c);
__weak_alias(strerror_r_ss,_strerror_r_ss)
strerror_r_ss(int num, char *buf, size_t len)
strerror_r_ss(num, buf, sizeof(buf));