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This section describes the following functions, macros and external variables:

• wait, waitpid - wait for child process to stop or terminate
• wait3, wait364 - wait for status change of child processes
• waitid - wait for status change of child processes
• wcrtomb - convert wide characters to multi-byte characters
• wcscat - concatenate two wide character strings
• wcschr - scan wide character string for wide characters
• wcscmp - compare two wide character strings
• wcscoll - compare two wide character strings according to LC_COLLATE
• wcscpy - copy wide character string
• wcscspn - get length of complementary wide character substring
• wcsftime - convert date and time to wide character string
• wcslen - get length of wide character string
• wcsncat - concatenate two wide character strings
• wcsncmp - compare two wide character substrings
• wcsncpy - copy wide character substring
• wcspbrk - get first occurrence of wide character in wide character string
• wcsrchr - get last occurrence of wide character in wide character string
• wcsrtombs - convert wide character string to multi-byte string
• wcsspn - get length of wide character substring
• wcsstr - search for first occurrence of a wide character string
• wcstod, wcstof, wcstold - convert wide character string to floating-point number
• wcstoimax - convert wide character string to integer of type intmax_t
• wcstok - split wide character string into tokens
• wcstol - convert wide character string to long integer
• wcstoll - convert wide character string to long long integer
• wcstombs - convert wide character string to character string
• wcstoul - convert wide character string to unsigned long
• wcstoull - convert wide character string to unsigned long long
• wcstoumax - convert wide character string to integer of type uintmax_t
• wcswcs - find wide character substring in wide character string
• wcswidth - get number of column positions of wide character string
• wcsxfrm - transform wide character string
• wctob - convert wide character to 1-byte multi-byte character
• wctomb - convert wide character code to character
• wctrans - define wide character mappings
• wctype - define wide character class
• wcwidth - get number of column positions of wide character code
• wmemchr - search for wide character in a wide character string
• wmemcmp - compare two wide character strings
• wmemcpy - copy wide character string
• wmemmove - copy wide character string in overlapping area
• wmemset - set first n wide characters in wide character string
• wprintf - formatted output of wide characters
• write - write bytes to file
• writev - write to file
• wscanf - formatted read