CURLINFO_LOCAL_PORT.3 2.2 KB

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  23. .TH CURLINFO_LOCAL_PORT 3 "March 16, 2017" "libcurl 7.61.1" "curl_easy_getinfo options"
  24. .SH NAME
  25. CURLINFO_LOCAL_PORT \- get the latest local port number
  26. .SH SYNOPSIS
  27. #include <curl/curl.h>
  28. CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_LOCAL_PORT, long *portp);
  29. .SH DESCRIPTION
  30. Pass a pointer to a long to receive the local port number of the most recent
  31. connection done with this \fBcurl\fP handle.
  32. .SH PROTOCOLS
  33. All
  34. .SH EXAMPLE
  35. .nf
  36. {
  37. CURL *curl;
  38. CURLcode res;
  39. curl = curl_easy_init();
  40. if(curl) {
  41. curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/");
  42. res = curl_easy_perform(curl);
  43. if(CURLE_OK == res) {
  44. long port;
  45. res = curl_easy_getinfo(curl, CURLINFO_LOCAL_PORT, &port);
  46. if(CURLE_OK == res) {
  47. printf("We used local port: %ld\\n", port);
  48. }
  49. }
  50. curl_easy_cleanup(curl);
  51. }
  52. return 0;
  53. }
  54. .fi
  55. .SH AVAILABILITY
  56. Added in 7.21.0
  57. .SH RETURN VALUE
  58. Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
  59. .SH "SEE ALSO"
  60. .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
  61. .BR CURLINFO_PRIMARY_PORT "(3), " CURLINFO_LOCAL_IP "(3), "