CURLINFO_PRIMARY_PORT.3 2.0 KB

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  23. .TH CURLINFO_PRIMARY_PORT 3 "May 06, 2017" "libcurl 7.61.1" "curl_easy_getinfo options"
  24. .SH NAME
  25. CURLINFO_PRIMARY_PORT \- get the latest destination port number
  26. .SH SYNOPSIS
  27. #include <curl/curl.h>
  28. CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIMARY_PORT, long *portp);
  29. .SH DESCRIPTION
  30. Pass a pointer to a long to receive the destination port of the most recent
  31. connection done with this \fBcurl\fP handle.
  32. .SH PROTOCOLS
  33. All
  34. .SH EXAMPLE
  35. .nf
  36. CURL *curl = curl_easy_init();
  37. if(curl) {
  38. CURLcode res;
  39. curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
  40. res = curl_easy_perform(curl);
  41. if(res == CURLE_OK) {
  42. long port;
  43. res = curl_easy_getinfo(curl, CURLINFO_PRIMARY_PORT, &port);
  44. if(!res)
  45. printf("Connected to remote port: %ld\\n", port);
  46. }
  47. curl_easy_cleanup(curl);
  48. }
  49. .fi
  50. .SH AVAILABILITY
  51. Added in 7.21.0
  52. .SH RETURN VALUE
  53. Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
  54. .SH "SEE ALSO"
  55. .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "