Replace C-style character functions with absl::ascii_ or llvm:: equivalents.
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…quivalents. This change updates various uses of `cctype` functions such as `toupper`, `tolower`, `isspace`, `isdigit`, `isalpha`, and `isalnum` to their `absl::ascii_` counterparts. In some instances within MLIR/LLVM code, `llvm::` equivalents are used. String transformations using `std::transform` with `::tolower` or `::toupper` are also updated to use `absl::AsciiStrToLower` or `absl::AsciiStrToUpper`. This ensures locale-independent behavior for character manipulations. PiperOrigin-RevId: 826593325
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Replace C-style character functions with
absl::ascii_orllvm::equivalents.This change updates various uses of
cctypefunctions such astoupper,tolower,isspace,isdigit,isalpha, andisalnumto theirabsl::ascii_counterparts. In some instances within MLIR/LLVM code,llvm::equivalents are used. String transformations usingstd::transformwith::toloweror::toupperare also updated to useabsl::AsciiStrToLowerorabsl::AsciiStrToUpper. This ensures locale-independent behavior for character manipulations.