ILE C/C++ Runtime Library Functions

Character Case Mapping

Function Header File Page Description
tolower() ctype.h tolower() – toupper() — Convert Character Case Converts a character to lowercase.
toupper() ctype.h tolower() – toupper() — Convert Character Case Converts a character to uppercase.
towlower() ctype.h towlower() –towupper() — Convert Wide Character Case Converts a wide character to lowercase.
towupper() ctype.h towlower() –towupper() — Convert Wide Character Case Converts a wide character to uppercase.


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