---
name: "curl_url_strerror"
section: "3"
platform: "linux"
package: "curl"
version: "8.23.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux", "macos"]
url: "https://new.carta.tech/curl_url_strerror"
---

# curl\_url\_strerror(3)

return string describing error code

## NAME

curl\_url\_strerror - return string describing error code

## SYNOPSIS

```
#include <curl/curl.h>
const char *curl_url_strerror(CURLUcode errornum);
```

## DESCRIPTION

This function returns a string describing the CURLUcode error code passed in the argument *errornum*.

## PROTOCOLS

This functionality affects all supported protocols

## EXAMPLE

```
int main(void)
{
  CURLUcode rc;
  CURLU *url = curl_url();
  rc = curl_url_set(url, CURLUPART_URL, "https://example.com", 0);
  if(rc)
    printf("URL error: %s\n", curl_url_strerror(rc));
  curl_url_cleanup(url);
}
```

## AVAILABILITY

Added in curl 7.80.0

## RETURN VALUE

A pointer to a null-terminated string.

## SEE ALSO

[**curl\_easy\_strerror**(3)](/curl_easy_strerror/3.md), [**curl\_multi\_strerror**(3)](/curl_multi_strerror/3.md), [**curl\_share\_strerror**(3)](/curl_share_strerror/3.md), [**curl\_url\_get**(3)](/curl_url_get/3.md), [**curl\_url\_set**(3)](/curl_url_set/3.md), [**libcurl-errors**(3)](/libcurl-errors/3.md)