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getusershell(3) -- get legal user shells
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The getusershell() function returns the next line from the file /etc/shells, opening the file if necessary. The line should contain the pathname of a valid user shell. If /etc/shells does not exist or... |
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getutent(3) -- access utmp file entries
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utmpname() sets the name of the utmp-format file for the other utmp functions to access. If utmpname() is not used to set the filename before the other functions are used, they assume _PATH_UTMP, as d... |
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getw(3) -- input and output of words (ints)
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getw reads a word (that is, an int) from stream. It's provided for compatibility with SVID. We recommend you use fread(3) instead. putw writes the word w (that is, an int) to stream. It is provided f... |
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getwchar(3) -- read a wide character from standard input
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The getwchar function is the wide-character equivalent of the getchar function. It reads a wide character from stdin and returns it. If the end of stream is reached, or if ferror(stdin) becomes true, ... |
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glob(3) -- generate pathnames matching a pattern
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The glob() function is a pathname generator that implements the rules for file name pattern matching used by the shell. The include file glob.h defines the structure type glob_t, which contains at lea... |
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graph(3) -- 2D graph for plotting X-Y coordinate data.
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The graph command creates a graph for plotting two-dimensional data (X-Y coordinates). It has many configurable components: coordinate axes, elements, legend, grid lines, cross hairs, etc. They allow ... |
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hash(3) -- hash database access method
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The routine dbopen is the library interface to database files. One of the supported file formats is hash files. The general description of the database access methods is in dbopen(3), this manual page... |
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hierbox(3) -- Create and manipulate hierarchical listbox widgets _________________________________________________...
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The hiertable widget that displays a hierarchy of entries, drawn one per line. The hierarchy is a general ordered tree of entries. Each entry contains a list of subentries which in turn can contain th... |
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hiertable(3) -- Create and manipulate hierarchical table widgets ___________________________________________________...
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The hiertable widget displays a scrollable tree of entries, one entry per line. Each entry has a text label, an icon, and may have children (sub-entries). A button on the left side of the entry contro... |
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hsearch(3) -- hash table management
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These three functions allow the user to create a hash table which associates a key with any data. First the table must be created with the function hcreate(). nel is an estimate of the number of entri... |
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htext(3) -- Create and manipulate hypertext widgets
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The htext command creates a new window (given by the pathName argument) and makes it into a htext widget. Additional options, described above, may be specified on the command line or in the option dat... |
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hypot(3) -- Euclidean distance function
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The hypot() function returns the sqrt(x*x + y*y). This is the length of the hypotenuse of a right-angle triangle with sides of length x and y, or the distance of the point (x, y) from the origin. |
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iconv(3) -- perform character set conversion
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The argument cd must be a conversion descriptor created using the function iconv_open. The main case is when inbuf is not NULL and *inbuf is not NULL. In this case, the iconv function converts the mul... |
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iconv_close(3) -- deallocate descriptor for character set conversion
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The iconv_close function deallocates a conversion descriptor cd previously allocated using iconv_open. |
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iconv_open(3) -- allocate descriptor for character set conversion
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The iconv_open function allocates a conversion descriptor suitable for converting byte sequences from character encoding fromcode to character encoding tocode. The values permitted for fromcode and to... |
