_bcs_isspace
while (*len > 0 && *p && _bcs_isspace(*p)) {
while (*len > 0 && *p && !_bcs_isspace(*p)) {
while (*len > 0 && _bcs_isspace(p[*len - 1]))
while (*p && _bcs_isspace(*p))
while (*p && !_bcs_isspace(*p))
#define isspace(c) _bcs_isspace(c)
#define isspace(c) _bcs_isspace(c)
if (!_bcs_isspace(ch))
(ch == ';' || _bcs_isspace(ch)))) {
if (_bcs_isspace(c)) {