fa8bd1cc09
To support floats and doubles when using these old compilers.
Before this patch, these tests most likely failed with them:
```
FAIL 557: 'curl_mprintf() testing' printf, unittest
FAIL 566: 'HTTP GET with CURLINFO_CONTENT_LENGTH_DOWNLOAD and 0 bytes transfer' HTTP, HTTP GET
FAIL 599: 'HTTP GET with progress callback and redirects changing content sizes' HTTP, HTTP POST, chunked Transfer-Encoding
FAIL 1148: 'progress-bar' HTTP, progressbar
```
Also:
- mention `_snprintf()` in the `_CRT_SECURE_NO_WARNINGS` comment.
Follow-up to
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|---|---|---|
| .circleci | ||
| .github | ||
| CMake | ||
| docs | ||
| include | ||
| lib | ||
| LICENSES | ||
| m4 | ||
| projects | ||
| scripts | ||
| src | ||
| tests | ||
| .clang-tidy.yml | ||
| .dir-locals.el | ||
| .editorconfig | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| acinclude.m4 | ||
| appveyor.sh | ||
| appveyor.yml | ||
| buildconf | ||
| CHANGES.md | ||
| CMakeLists.txt | ||
| configure.ac | ||
| COPYING | ||
| curl-config.in | ||
| Dockerfile | ||
| GIT-INFO.md | ||
| libcurl.pc.in | ||
| Makefile.am | ||
| README | ||
| README.md | ||
| RELEASE-NOTES | ||
| renovate.json | ||
| REUSE.toml | ||
| SECURITY.md | ||
curl is a command-line tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.
Learn how to use curl by reading the man page or everything curl.
Find out how to install curl by reading the INSTALL document.
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