regexec_e
((a)->type == AT_RE ? regexec_e((a)->u.r, ps, 0, 1, 0, psl) : \
if (!regexec_e(re, ps, 0, 0, 0, psl))
regexec_e(re, ps, REG_NOTBOL, 0, le, psl));
static int regexec_e(regex_t *, const char *, int, int, size_t,