section 3p · Library functions 📚

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T (continued)

tsearch(3p)search a binary search tree✨
ttyname(3p)find the pathname of a terminal✨
twalk(3p)traverse a binary search tree✨
tzset(3p)set timezone conversion information✨

U

ulimit(3p)get and set process limits✨
umask(3p)set and get the file mode creation mask✨
uname(3p)get the name of the current system✨
ungetc(3p)push byte back into input stream✨
ungetwc(3p)push wide-character code back into the input stream✨
unlink(3p)remove a directory entry✨
unlockpt(3p)unlock a pseudo-terminal master/slave pair✨
unsetenv(3p)remove an environment variable✨
uselocale(3p)use locale in current thread✨
utime(3p)set file access and modification times✨
utimensat(3p)set file access and modification times✨

V

va_arg(3p)handle variable argument list✨
vfprintf(3p)format output of a stdarg argument list✨
vfscanf(3p)format input of a stdarg argument list✨
vfwprintf(3p)wide-character formatted output of a stdarg argument list✨
vfwscanf(3p)wide-character formatted input of a stdarg argument list✨
vprintf(3p)format the output of a stdarg argument list✨
vscanf(3p)format input of a stdarg argument list✨
vsnprintf(3p)format output of a stdarg argument list✨
vsscanf(3p)format input of a stdarg argument list✨
vswprintf(3p)wide-character formatted output of a stdarg argument list✨
vswscanf(3p)wide-character formatted input of a stdarg argument list✨
vwprintf(3p)wide-character formatted output of a stdarg argument list✨
vwscanf(3p)wide-character formatted input of a stdarg argument list✨

W

wait(3p)wait for a child process to stop or terminate✨
waitid(3p)wait for a child process to change state✨
waitpid(3p)wait for a child process to stop or terminate✨
wcpcpy(3p)copy a wide-character string, returning a pointer to its end✨
wcpncpy(3p)copy a fixed-size wide-character string, returning a pointer to its end✨
wcrtomb(3p)convert a wide-character code to a character (restartable)✨
wcscasecmp(3p)case-insensitive wide-character string comparison✨
wcscat(3p)concatenate two wide-character strings✨
wcschr(3p)wide-character string scanning operation✨
wcscmp(3p)compare two wide-character strings✨
wcscoll(3p)wide-character string comparison using collating information✨
wcscpy(3p)copy a wide-character string, returning a pointer to its end✨
wcscspn(3p)get the length of a complementary wide substring✨
wcsdup(3p)duplicate a wide-character string✨
wcsftime(3p)convert date and time to a wide-character string✨
wcslen(3p)get length of a fixed-sized wide-character string✨
wcsncasecmp(3p)case-insensitive wide-character string comparison✨
wcsncat(3p)concatenate a wide-character string with part of another✨
wcsncmp(3p)compare part of two wide-character strings✨
wcsncpy(3p)copy a fixed-size wide-character string, returning a pointer to its end✨
wcsnlen(3p)get length of a fixed-sized wide-character string✨
wcsnrtombs(3p)convert wide-character string to multi-byte string✨
wcspbrk(3p)scan a wide-character string for a wide-character code✨
wcsrchr(3p)wide-character string scanning operation✨
wcsrtombs(3p)convert a wide-character string to a character string (restartable)✨
wcsspn(3p)get the length of a wide substring✨
wcsstr(3p)find a wide-character substring✨
wcstod(3p)convert a wide-character string to a double- precision number✨
wcstoimax(3p)convert a wide-character string to an integer type✨
wcstok(3p)split a wide-character string into tokens✨
wcstol(3p)convert a wide-character string to a long integer✨
wcstold(3p)convert a wide-character string to a double-precision number✨
wcstoll(3p)convert a wide-character string to a long integer✨
wcstombs(3p)convert a wide-character string to a character string✨
wcstoul(3p)convert a wide-character string to an unsigned long✨
wcstoumax(3p)convert a wide-character string to an integer type✨
wcswidth(3p)number of column positions of a wide-character string✨
wcsxfrm(3p)wide-character string transformation✨
wctob(3p)wide-character to single-byte conversion✨
wctomb(3p)convert a wide-character code to a character✨
wctrans(3p)define character mapping✨
wctype(3p)define character class✨
wcwidth(3p)number of column positions of a wide-character code✨
wmemchr(3p)find a wide character in memory✨
wmemcmp(3p)compare wide characters in memory✨
wmemcpy(3p)copy wide characters in memory✨
wmemmove(3p)copy wide characters in memory with overlapping areas✨
wmemset(3p)set wide characters in memory✨
wordexp(3p)perform word expansions✨
wprintf(3p)print formatted wide-character output✨
write(3p)write on a file✨
writev(3p)write a vector✨
wscanf(3p)convert formatted wide-character input✨

Y

y0(3p)Bessel functions of the second kind✨