nl_printf man page on Ultrix

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nl_printf(3int)						       nl_printf(3int)

Name
       nl_printf, nl_fprintf, nl_sprintf - print formatted output

Syntax
       #include <stdio.h>

       int nl_printf ( format [, arg ] ...  )
       char *format;

       int nl_fprintf ( stream, format [, arg ] ...  )
       FILE *stream;
       char *format;

       int nl_sprintf ( s, format [, arg ] ...	)
       char *s, format;

Description
       The  international  functions  and  are	identical  to  and  have  been
       superceded by the international functions and in a library. You	should
       use  the and functions when you write new calls to print formatted out‐
       put in an international program. For more information  on  these	 func‐
       tions, see the reference page.

       You  can	 continue  to use existing calls to the or international func‐
       tions.  These functions remain available for compatibility  with	 XPG-2
       conformant software, but may not be supported in future releases of the
       ULTRIX system.

       The and international functions are similar to the standard  I/O	 func‐
       tion.  (For  more  information about the standard I/O function, see the
       reference page.)	 The difference is that	 the  international  functions
       allow  you  to  use  the I%digit$ conversion sequence in place of the %
       character you use in the standard I/O functions. The digit is a decimal
       digit  n from 1 to 9.  The international functions apply conversions to
       the n th argument in the argument list, rather than to the next	unused
       argument.

       You  can	 use  %	 conversion  character in the international functions.
       However, you cannot mix the % conversion	 character  with  the  %digit$
       conversion sequence in a single call.

       You can indicate a field width or precision by an asterisk (*), instead
       of a digit string, in strings containing the % conversion character. If
       you  use an asterisk, you can supply an integer argument that specifies
       the field width or precision.  In strings containing the	 %digit$  con‐
       version	character,  you	 can  indicate field width or precision by the
       sequence *digit$.  You use a decimal digit from	1  to  9  to  indicate
       which  argument	contains  an integer that specifies the field width or
       precision.

       The conversion characters and their meanings are identical to

       You must use each digit argument at least once.	 The  results  of  not
       using an argument are undefined.

   International Environment
       LC_NUMERIC     If  this environment is set and valid, uses the interna‐
		      tional language database	named  in  the	definition  to
		      determine radix character rules.

       LANG	      If  this	environment variable is set and valid uses the
		      international language database named in the  definition
		      to  determine  collation	and  character	classification
		      rules.  If is defined,  its  definition  supercedes  the
		      definition of LANG.

Examples
       The  following  example	illustrates using an argument to specify field
       width:
       nl_printf ("%1$d:%2$.*3$d:%4$.*3$d\n",
			   hour, min, precision, sec);
       The format string *3$ indicates that the third argument, which is named
       precision, contains the integer field width specification.

       To print the language independent date and time format, use the follow‐
       ing statement:
       nl_printf (format, weekday, month, day, hour, min);
       For United States of America use, could be a pointer to	the  following
       string:
       "%1$s,  %2$s %3$d, %4$d:%5$.2d\n"
       This string produces the following message:
       Sunday, July 3, 10:02
       For  use	 in  a German environment, could be a pointer to the following
       string:
       "%1$s, %3$d. %2$s, %4$d:%5$.2d\n"
       This produces the following message:
       Sonntag, 3. Juli, 10:02

See Also
       intro(3int), setlocale(3), nl_scanf(3int),  printf(3int),  scanf(3int),
       printf(3s), putc(3s), scanf(3s), stdio(3s)
       Guide to Developing International Software

							       nl_printf(3int)
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