Support POST parameters in redbean server pages

See #97

net/http/gethttpheadername.c

@@ -0,0 +1,142 @@
+/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
+│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
+╞══════════════════════════════════════════════════════════════════════════════╡
+│ Copyright 2021 Justine Alexandra Roberts Tunney                              │
+│                                                                              │
+│ Permission to use, copy, modify, and/or distribute this software for         │
+│ any purpose with or without fee is hereby granted, provided that the         │
+│ above copyright notice and this permission notice appear in all copies.      │
+│                                                                              │
+│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
+│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
+│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
+│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
+│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
+│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
+│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
+│ PERFORMANCE OF THIS SOFTWARE.                                                │
+╚─────────────────────────────────────────────────────────────────────────────*/
+#include "net/http/http.h"
+
+const char *GetHttpHeaderName(int h) {
+  switch (h) {
+    case kHttpAccept:
+      return "Accept";
+    case kHttpAcceptCharset:
+      return "Accept-Charset";
+    case kHttpAcceptEncoding:
+      return "Accept-Encoding";
+    case kHttpAcceptLanguage:
+      return "Accept-Language";
+    case kHttpAge:
+      return "Age";
+    case kHttpAllow:
+      return "Allow";
+    case kHttpAuthorization:
+      return "Authorization";
+    case kHttpCacheControl:
+      return "Cache-Control";
+    case kHttpChunked:
+      return "Chunked";
+    case kHttpClose:
+      return "Close";
+    case kHttpConnection:
+      return "Connection";
+    case kHttpContentBase:
+      return "Content-Base";
+    case kHttpContentEncoding:
+      return "Content-Encoding";
+    case kHttpContentLanguage:
+      return "Content-Language";
+    case kHttpContentLength:
+      return "Content-Length";
+    case kHttpContentLocation:
+      return "Content-Location";
+    case kHttpContentMd5:
+      return "Content-Md5";
+    case kHttpContentRange:
+      return "Content-Range";
+    case kHttpContentType:
+      return "Content-Type";
+    case kHttpDate:
+      return "Date";
+    case kHttpEtag:
+      return "ETag";
+    case kHttpExpires:
+      return "Expires";
+    case kHttpFrom:
+      return "From";
+    case kHttpHost:
+      return "Host";
+    case kHttpIfMatch:
+      return "If-Match";
+    case kHttpIfModifiedSince:
+      return "If-Modified-Since";
+    case kHttpIfNoneMatch:
+      return "If-None-Match";
+    case kHttpIfRange:
+      return "If-Range";
+    case kHttpIfUnmodifiedSince:
+      return "If-Unmodified-Since";
+    case kHttpKeepAlive:
+      return "Keep-Alive";
+    case kHttpMaxForwards:
+      return "Max-Forwards";
+    case kHttpPragma:
+      return "Pragma";
+    case kHttpProxyAuthenticate:
+      return "Proxy-Authenticate";
+    case kHttpProxyAuthorization:
+      return "Proxy-Authorization";
+    case kHttpProxyConnection:
+      return "Proxy-Connection";
+    case kHttpRange:
+      return "Range";
+    case kHttpReferer:
+      return "Referer";
+    case kHttpTransferEncoding:
+      return "Transfer-Encoding";
+    case kHttpUpgrade:
+      return "Upgrade";
+    case kHttpUserAgent:
+      return "User-Agent";
+    case kHttpVia:
+      return "Via";
+    case kHttpLocation:
+      return "Location";
+    case kHttpPublic:
+      return "Public";
+    case kHttpRetryAfter:
+      return "Retry-After";
+    case kHttpServer:
+      return "Server";
+    case kHttpVary:
+      return "Vary";
+    case kHttpWarning:
+      return "Warning";
+    case kHttpWwwAuthenticate:
+      return "WWW-Authenticate";
+    case kHttpLastModified:
+      return "Last-Modified";
+    case kHttpCookie:
+      return "Cookie";
+    case kHttpTrailer:
+      return "Trailer";
+    case kHttpTe:
+      return "TE";
+    case kHttpDnt:
+      return "DNT";
+    case kHttpExpect:
+      return "Expect";
+    case kHttpContentDisposition:
+      return "Content-Disposition";
+    case kHttpContentDescription:
+      return "Content-Description";
+    case kHttpOrigin:
+      return "Origin";
+    case kHttpUpgradeInsecureRequests:
+      return "Upgrade-Insecure-Requests";
+    default:
+      return NULL;
+  }
+}