HP-UX Reference (11i v3 07/02) - 3 Library Functions A-M (vol 6)

c
conv(3C) conv(3C)
...
}
EXTERNAL INFLUENCES
Locale
The LC_CTYPE category determines the translations to be done.
International Code Set Support
Single-byte character code sets are supported.
AUTHOR
conv() was developed by IBM, OSF, and HP.
SEE ALSO
ctype(3C), getc(3S), setlocale(3C), lang(5), thread_safety(5).
STANDARDS CONFORMANCE
_tolower() : AES, SVID2, SVID3, XPG2, XPG3, XPG4
_toupper() : AES, SVID2, SVID3, XPG2, XPG3, XPG4
toascii(): AES, SVID2, SVID3, XPG2, XPG3, XPG4
tolower(): AES, SVID2, SVID3, XPG2, XPG3, XPG4, FIPS 151-2, POSIX.1, ANSI C
toupper(): AES, SVID2, SVID3, XPG2, XPG3, XPG4, FIPS 151-2, POSIX.1, ANSI C
HP-UX 11i Version 3: February 2007 − 2 − Hewlett-Packard Company 199