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toupper(3) -- convert letter to upper or lower case
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toupper() converts the letter c to upper case, if possible. tolower() converts the letter c to lower case, if possible. If c is not an unsigned char value, or EOF, the behaviour of these functions is ... |
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towctrans(3) -- wide-character transliteration
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If wc is a wide character, the towctrans function translates it according to the transliteration descriptor desc. If wc is WEOF, WEOF is returned. desc must be a transliteration descriptor returned by... |
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towlower(3) -- convert a wide character to lowercase
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The towlower function is the wide-character equivalent of the tolower function. If wc is a wide character, it is converted to lowercase. Characters which do not have case are returned unchanged. If wc... |
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towupper(3) -- convert a wide character to uppercase
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The towupper function is the wide-character equivalent of the toupper function. If wc is a wide character, it is converted to uppercase. Characters which do not have case are returned unchanged. If wc... |
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trunc(3) -- round to interger, towards zero
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These functions round x to the nearest integer not larger in absolute value. |
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tsearch(3) -- manage a binary tree
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tsearch, tfind, twalk, and tdelete manage a binary tree. They are generalized from Knuth (6.2.2) Algorithm T. The first field in each node of the tree is a pointer to the corresponding data item. (The... |
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ttyname(3) -- return name of a terminal
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Returns a pointer to the pathname of the terminal device that is open on the file descriptor desc, or NULL on error (for example, if desc is not connected to a terminal). |
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tzset(3) -- initialize time conversion information
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The tzset() function initializes the tzname variable from the TZ environment variable. This function is automatically called by the other time conversion functions that depend on the time zone. If the... |
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ulimit(3) -- get and set user limits
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Warning: This routine is obsolete. The include file is no longer provided by glibc. Use getrlimit(2), setrlimit(2) and sysconf(3) instead. For the shell command ulimit, see bash(1). The ulimit call wi... |
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undocumented(3) -- undocumented library functions
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This man page mentions those library functions which are implemented in the standard libraries but not yet documented in man pages. |
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ungetwc(3) -- push back a wide character onto a FILE stream
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The ungetwc function is the wide-character equivalent of the ungetc function. It pushes back a wide character onto stream and returns it. If wc is WEOF, it returns WEOF. If wc is an invalid wide chara... |
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updwtmp(3) -- append an entry to the wtmp file
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updwtmp() appends the utmp structure ut to the wtmp file. logwtmp() constructs an utmp structure using line, name, host, current time and current process id. Then it calls updwtmp() to append the stru... |
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usleep(3) -- suspend execution for microsecond intervals
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The usleep() function suspends execution of the calling process for usec microseconds. The sleep may be lengthened slightly by any system activity or by the time spent processing the call. |
