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C

HTTP Response Inspection

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Demonstrates how to inspect the HTTP response, including the status code, status text, and response headers, for Chilkat methods that don't use an HttpResponse object.

Chilkat C Downloads

C
#include <C_CkHttp.h>
#include <C_CkMime.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    const char *jsonText;
    HCkMime mime;
    int numHeaders;
    int i;

    http = CkHttp_Create();

    //  Returns the contents of the response body.
    jsonText = CkHttp_quickGetStr(http,"https://chilkatsoft.com/helloWorld.json");

    //  Examine the response status code.
    printf("response status code: %d\n",CkHttp_getLastStatus(http));

    //  Examine the response status text
    printf("response status text: %s\n",CkHttp_lastStatusText(http));

    //  Examine the full response header.
    printf("response header:\n");
    printf("%s\n",CkHttp_lastResponseHeader(http));
    printf("----\n");

    //  Examine the response content-type
    printf("LastContentType = %s\n",CkHttp_lastContentType(http));

    //  Examine the response last-mod date
    printf("LastModDate = %s\n",CkHttp_lastModDate(http));

    //  Load the response header into a Chilkat MIME object to access its fields individually.
    mime = CkMime_Create();
    CkMime_LoadMime(mime,CkHttp_lastResponseHeader(http));

    numHeaders = CkMime_getNumHeaderFields(mime);
    i = 0;
    printf("---- MIME Headers ----\n");
    while (i < numHeaders) {
        printf("name:  %s\n",CkMime_getHeaderFieldName(mime,i));
        printf("value: %s\n",CkMime_getHeaderFieldValue(mime,i));
        i = i + 1;
    }

    printf("----\n");

    //  Get a header field value by name:
    printf("ETag: %s\n",CkMime_getHeaderField(mime,"ETag"));

    //  Output:

    //  response status code: 200
    //  response status text: OK
    //  response header:
    //  Content-Type: application/json
    //  Last-Modified: Sun, 20 Aug 2023 11:36:27 GMT
    //  Accept-Ranges: bytes
    //  ETag: "34c27f8e5ad3d91:0"
    //  Server: Microsoft-IIS/10.0
    //  X-Powered-By: ASP.NET
    //  Date: Sat, 30 Aug 2025 14:38:13 GMT
    //  Content-Length: 22
    //  ----
    //  LastContentType = application/json
    //  LastModDate = 2023-08-20
    //  ---- MIME Headers ----
    //  name:  Content-Type
    //  value: application/json
    //  name:  Last-Modified
    //  value: Sun, 20 Aug 2023 11:36:27 GMT
    //  name:  Accept-Ranges
    //  value: bytes
    //  name:  ETag
    //  value: "34c27f8e5ad3d91:0"
    //  name:  Server
    //  value: Microsoft-IIS/10.0
    //  name:  X-Powered-By
    //  value: ASP.NET
    //  name:  Date
    //  value: Sat, 30 Aug 2025 14:38:13 GMT
    //  name:  Content-Length
    //  value: 22
    //  ----
    //  ETag: "34c27f8e5ad3d91:0"


    CkHttp_Dispose(http);
    CkMime_Dispose(mime);

    }