Table 2-9 lists the base operating system internationalized functions in a common open software environment.
Applications should perform proper locale management with the assumption that a locale may have from 1 to 4 bytes per coded character.
Table 2-9 Base Operating System Internationalized Functions
Locale Management |
Single-byte |
Multibyte |
Wide Character |
---|---|---|---|
Convert mb <-> wc |
|
mbtowc mbstowcs |
wctomb wcstombs |
Classification |
isalpha is* |
|
isalpha isw* wctype |
Case Mapping |
tolower toupper |
|
towlower towupper |
Format Miscellaneous |
|
localeconv nl_langinfo |
|
Format of Numeric |
|
strtol strtod |
wcstol wcstod wcstoi |
Format Time/Monetary |
|
strftime strptime strfmon |
wcsftime |
String Copy |
|
strcat strcpy strncat strncpy |
wcscat wcsncat wcscpy wcsncpy |
String Collate |
|
strcoll |
wcscoll wcsxfrm |
String Misc |
strlen |
mblen
|
wcscmp> wcsncmp |
String Search |
strchr strcspn strpbrk strrchr strspn strtok |
|
wcschr wcscspn wcspbrk wcsrchr wcsspn wcstok wcswcs wcscspn |
I/O Display Width |
|
|
wcwidth [These functions are provided for applications using terminals. Graphical user interface (GUI) applications should not use these functions; instead, they should use font metric functions listed on "Simple Text" to determine spacing.] wcswidth |
I/O Printf |
|
printf vprintf sprintf vsprint fprintf vfprint |
printf vprintf sprintf vsprint frpintf vfprint
|
I/O Scan |
|
scanf sscanf fscanf |
scanf sscanf fscanf |
I/O Character |
getc gets putc puts |
|
fgetwc fgetws fputwc fputws ungetwc |
Message |
|
gettxt catopen catgets catclose |
|
Convert Codeset |
|
iconv_open iconv iconv_close |
|