host.c, html-parse.c, html-url.c, http-ntlm.c, http.c, init.c,
log.c, main.c, netrc.c, openssl.c, res.c, url.c, utils.c,
wget.h: Replace uses of ISSPACE, etc with c_isspace, etc.
host.c, html-parse.c, html-url.c, http-ntlm.c, http.c, init.c,
log.c, main.c, netrc.c, openssl.c, res.c, url.c, utils.c,
wget.h: Replace uses of ISSPACE, etc with c_isspace, etc.