#include <stdlib.h>#include <stdio.h>#include "gcgi.h"static const char* const strTypes[] = {    "text",     "image",     "audio",     "video",     "application",     "multipart",     "message",     "unknown"};static const char* const strEncodings[] = {    "7bit",     "8bit",     "binary",     "quoted-printable",     "base64",     "unknown"};int main (int argc, char *argv[], char *envp[]) {  MimeEncoding  enc;  MimeType      type;  char         *file, *fname, *subtype;   int           len, truncated;  gcgiDebug("./gcgi-env", "./file-upload-example-unix.txt");    /* Set Limits: field limit, query limit */  gcgiSetLimits(1048576, 0);  if (initCgi() < 0) {    fprintf(stderr, "Unable to parse CGI query.\n");    return -1;  }    //gcgiSaveEnvVariables("/tmp/gcgi-env");  gcgiFieldSize("uploaded_file", &len);  file = (char *) malloc(len);  gcgiFetchData("uploaded_file", file, len, &type, &subtype, &enc, &fname, &truncated);  if (truncated) {    fprintf(gcgiOut, "Content-Type: text/plain\r\n\r\n");    fprintf(gcgiOut, "File size has exceeded limit.  Pick something smaller.\n");  }  else {    fprintf(gcgiOut,"Content-Type: %s/%s\r\n", strTypes[type], subtype);    fprintf(gcgiOut,"Content-Disposition: attachment; filename=\"%s\"\r\n", fname);    fprintf(gcgiOut,"Content-Length: %d\r\n\r\n", len);    fprintf(stderr,"Content-Type: %s/%s\r\n", strTypes[type], subtype);    fprintf(stderr,"Content-Disposition: attachment; filename=\"%s\"\r\n", fname);    fprintf(stderr,"Content-Length: %d\r\n\r\n", len);    fwrite(file, sizeof(char), len, gcgiOut);  }  free(file);  free(subtype);  free(fname);  freeCgi();  return 0;}