Simple example using libmicrohttpd

Makefile

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+CFLAGS=-Wall -Wextra
+
+LIBWS=./vendor/libmicrohttpd/
+LIBWS_LIB=$(LIBWS)lib/libmicrohttpd.a
+
+LDFLAGS=-lm
+INCL_FLAGS=-I$(LIBWS)include
+
+
+main: src/main.c output
+	gcc $(CFLAGS) $(INCL_FLAGS) -o output/main src/main.c $(LIBWS_LIB) $(LDFLAGS)
+
+
+output:
+	mkdir -p output

build.sh

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+#!/usr/bin/env sh
+
+if [ $1 = "build" ]; then
+    make main -B
+
+elif [ $1 = "run" ]; then
+    make main
+    ./output/main
+
+elif [ $1 = "debug" ]; then
+    echo "Debugging"
+
+elif [ $1 = "clean" ]; then
+    rm -rf ./output/
+
+else
+    echo "Invalid command."
+
+fi
+

src/main.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <microhttpd.h>
+
+static enum MHD_Result request_handler(
+        void *cls,
+        struct MHD_Connection *connection, 
+        const char *url, const char *method, const char *version,
+        const char *upload_data, size_t *upload_data_size,
+        void **con_cls) {
+    (void)cls;
+    (void)url;
+    (void)method;
+    (void)version;
+    (void)upload_data;
+    (void)upload_data_size;
+    (void)con_cls;
+
+    // Create an HTTP response
+    const char *response_text = "Hello, World!";
+    struct MHD_Response *response = MHD_create_response_from_buffer(
+        strlen(response_text), (void *)response_text, MHD_RESPMEM_PERSISTENT);
+
+    if (!response) return MHD_NO;
+
+    // Send the response
+    printf("%s\n", response_text);
+    enum MHD_Result ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
+    MHD_destroy_response(response);
+
+    return ret;
+}
+
+
+int main(void)
+{
+    struct MHD_Daemon *server;
+
+    // Start the HTTP server
+    server = MHD_start_daemon(
+        MHD_USE_INTERNAL_POLLING_THREAD,
+        5000, 
+        NULL, NULL, 
+        &request_handler, NULL, 
+        MHD_OPTION_END);
+
+    if (!server) {
+        fprintf(stderr, "Failed to start server\n");
+        return 1;
+    }
+
+    printf("Server is running on http://localhost:5000\n");
+
+    // Keep the server running
+    getchar();
+
+    // Stop the server
+    MHD_stop_daemon(server);
+
+    return 0;
+}

vendor/libmicrohttpd/share/info/dir

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+This is the file .../info/dir, which contains the
+topmost node of the Info hierarchy, called (dir)Top.
+The first time you invoke Info you start off looking at this node.
+
+File: dir,	Node: Top	This is the top of the INFO tree
+
+  This (the Directory node) gives a menu of major topics.
+  Typing "q" exits, "H" lists all Info commands, "d" returns here,
+  "h" gives a primer for first-timers,
+  "mEmacs<Return>" visits the Emacs manual, etc.
+
+  In Emacs, you can click mouse button 2 on a menu item or cross reference
+  to select it.
+
+* Menu:
+
+Software libraries
+* libmicrohttpd: (libmicrohttpd).
+                                Embedded HTTP server library.
+* libmicrohttpdtutorial: (libmicrohttpd-tutorial).
+                                A tutorial for GNU libmicrohttpd.

vendor/libmicrohttpd/share/man/man3/libmicrohttpd.3

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+.Dd June 21, 2013
+.Dt LIBMICROHTTPD 3
+.Os
+.Sh NAME
+.Nm libmicrohttpd
+.Nd library for embedding HTTP servers
+.Sh LIBRARY
+.ds doc-str-Lb-libmicrohttpd library for embedding HTTP servers (libmicrohttpd)
+.Lb libmicrohttpd
+.Sh SYNOPSIS
+.In microhttpd.h
+.Sh DESCRIPTION
+GNU libmicrohttpd (short MHD) allows applications to easily integrate the functionality of a simple HTTP server.  MHD is a GNU package.
+.sp
+The details of the API are described in comments in the header file, a detailed reference documentation in Texinfo, a tutorial, and in brief on the MHD webpage.
+.Sh LEGAL NOTICE
+libmicrohttpd is released under both the LGPL Version 2.1 or higher and the GNU GPL with eCos extension.  For details on both licenses please read the respective appendix in the Texinfo manual.
+.Sh FILES
+.Bl -tag -width /etc/ttys -compact
+.It Pa microhttpd.h
+libmicrohttpd include file
+.It Pa libmicrohttpd.so
+libmicrohttpd library
+.El
+.Sh SEE ALSO
+.Xr curl 1 ,
+.Xr libcurl 3 ,
+info libmicrohttpd
+.Sh AUTHORS
+GNU
+.Nm
+was originally designed by
+.An -nosplit
+.An Christian Grothoff Aq Mt christian@grothoff.org
+and
+.An Chris GauthierDickey Aq Mt chrisg@cs.du.edu Ns .
+The original implementation was done by
+.An Daniel Pittman Aq Mt depittman@gmail.com
+and Christian Grothoff.
+SSL/TLS support was added by Sagie Amir using code from GnuTLS.  See the AUTHORS file in the distribution for a more detailed list of contributors.
+.Sh AVAILABILITY
+You can obtain the latest version from
+.Lk https://www.gnu.org/software/libmicrohttpd/ Ns .
+.Sh BUGS
+Report bugs by using
+.Lk https://bugs.gnunet.org/set_project.php?project_id=10 "Mantis" Ns .