DEVELOPER LIBRARY
» Developer Library » API Reference » C++ API reference » C/POSIX Standard Library » ctype.h
isalnum()
isalpha()
isascii
iscntrl()
isdigit()
isgraph()
islower()
isprint()
ispunct()
isspace()
isupper()
isxdigit()
toascii
tolower()
toupper()
_tolower
_toupper
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