Sample code for 30+ languages & platforms
Unicode C

Example: Http.HttpFile method

Shows how to use the HttpFile method to send an HTTP POST request with the contents of a file as the request body. The example sends the following request:
POST /api/v1/sites/123/deploys HTTP/1.1
Host: example.com
Accept: */*
Accept-Encoding: gzip
Content-Type: application/zip
Content-Length: 123456

[binary data bytes of data.zip]

Also see: Chilkat Http Default and Auto-Filled Headers

Chilkat Unicode C Downloads

Unicode C
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    const wchar_t *localFilePath;
    const wchar_t *url;
    HCkHttpResponseW resp;

    success = FALSE;

    http = CkHttpW_Create();

    localFilePath = L"C:/example/zips/data.zip";
    url = L"https://example.com/api/v1/sites/123/deploys";

    //  Send a POST with the contents of the file in the binary HTTP request body.
    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpFile(http,L"POST",url,localFilePath,L"application/zip",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    wprintf(L"Response Status Code: %d\n",CkHttpResponseW_getStatusCode(resp));
    wprintf(L"Response body:\n");
    wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));


    CkHttpW_Dispose(http);
    CkHttpResponseW_Dispose(resp);

    }