Tcl_UniCharToUpper - Tcl_UniCharToUpper, Tcl_UniCharToLower, Tcl_UniCharToTitle, lating the case of Unicode characters and UTF-8 strings
#include <tcl.h> Tcl_UniChar Tcl_UniCharToUpper(ch) Tcl_UniChar Tcl_UniCharToLower(ch) Tcl_UniChar Tcl_UniCharToTitle(ch) int Tcl_UtfToUpper(str) int Tcl_UtfToLower(str) int Tcl_UtfToTitle(str)
Tcl_UtfToUpper(3tcl) Tcl Library Procedures Tcl_UtfToUpper(3tcl) ______________________________________________________________________________ NAME Tcl_UniCharToUpper, Tcl_UniCharToLower, Tcl_UniCharToTitle, Tcl_UtfToUpper, Tcl_UtfToLower, Tcl_UtfToTitle - routines for manipu- lating the case of Unicode characters and UTF-8 strings SYNOPSIS #include <tcl.h> Tcl_UniChar Tcl_UniCharToUpper(ch) Tcl_UniChar Tcl_UniCharToLower(ch) Tcl_UniChar Tcl_UniCharToTitle(ch) int Tcl_UtfToUpper(str) int Tcl_UtfToLower(str) int Tcl_UtfToTitle(str) ARGUMENTS int ch (in) The Tcl_UniChar to be converted. char *str (in/out) Pointer to UTF-8 string to be converted in place. ______________________________________________________________________________ DESCRIPTION The first three routines convert the case of individual Unicode charac- ters: If ch represents a lower-case character, Tcl_UniCharToUpper returns the corresponding upper-case character. If no upper-case character is defined, it returns the character unchanged. If ch represents an upper-case character, Tcl_UniCharToLower returns the corresponding lower-case character. If no lower-case character is defined, it returns the character unchanged. If ch represents a lower-case character, Tcl_UniCharToTitle returns the corresponding title-case character. If no title-case character is defined, it returns the corresponding upper-case character. If no upper-case character is defined, it returns the character unchanged. Title-case is defined for a small number of characters that have a dif- ferent appearance when they are at the beginning of a capitalized word. The next three routines convert the case of UTF-8 strings in place in memory: Tcl_UtfToUpper changes every UTF-8 character in str to upper-case. Because changing the case of a character may change its size, the byte offset of each character in the resulting string may differ from its original location. Tcl_UtfToUpper writes a null byte at the end of the converted string. Tcl_UtfToUpper returns the new length of the string in bytes. This new length is guaranteed to be no longer than the orig- inal string length. Tcl_UtfToLower is the same as Tcl_UtfToUpper except it turns each char- acter in the string into its lower-case equivalent. Tcl_UtfToTitle is the same as Tcl_UtfToUpper except it turns the first character in the string into its title-case equivalent and all follow- ing characters into their lower-case equivalents. BUGS At this time, the case conversions are only defined for the ISO8859-1 characters. Unicode characters above 0x00ff are not modified by these routines. KEYWORDS utf, unicode, toupper, tolower, totitle, case ATTRIBUTES See attributes(7) for descriptions of the following attributes: +---------------+------------------+ |ATTRIBUTE TYPE | ATTRIBUTE VALUE | +---------------+------------------+ |Availability | runtime/tcl-8 | +---------------+------------------+ |Stability | Uncommitted | +---------------+------------------+ NOTES Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source- code-downloads.html. This software was built from source available at https://github.com/oracle/solaris-userland. The original community source was downloaded from http://prdownloads.sourceforge.net/tcl/tcl- core8.6.7-src.tar.gz. Further information about this software can be found on the open source community website at https://www.tcl.tk/. Tcl 8.1 Tcl_UtfToUpper(3tcl)