tree 72caef8597c3591afbb636d88a35f9c0c8df34cf
parent 1a65ae533db8341f7e4cc4aeca15c60e7381682e
author Lei Zhang <thestig@chromium.org> 1628200551 +0000
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1628200551 +0000

Switch to C headers for cctype, cwchar, and cwctype.

Consistently use the C version instead the C++ version. Also remove a
few unused headers along the way.

Change-Id: I39ae57dfd9c4b384e3fe2e625c62ab87aa7300e4
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/83950
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>