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. |