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NetBSD 6.1.5 - man page for inttypes (netbsd section 3)

INTTYPES(3)			   BSD Library Functions Manual 		      INTTYPES(3)

NAME
     inttypes -- standard fixed-size integer types

SYNOPSIS
     #include <inttypes.h>

DESCRIPTION
     The <inttypes.h> header describes a set of format specifier macros aimed to increase porta-
     bility both within and across operating systems.  It includes the <stdint.h> header and
     extends it with additional facilities.

     Each of the following macros expand to a character string literal containing the format
     specifier suitable for use within the format argument of a formatted I/O function such as
     printf(3).  Each macro contains an identifier (PRI or SCN), a conversion specifier, and a
     possible length modifier.

     The length modifier follows the integer types described in stdint(3):

	   int8_t			  uint8_t
	   int16_t			  uint16_t
	   int32_t			  uint32_t
	   int64_t			  uint64_t
	   int_least8_t 		  uint_least8_t
	   int_least16_t		  uint_least16_t
	   int_least32_t		  uint_least32_t
	   int_least64_t		  uint_least64_t
	   int_fast8_t			  uint_fast8_t
	   int_fast16_t 		  uint_fast16_t
	   int_fast32_t 		  uint_fast32_t
	   int_fast64_t 		  uint_fast64_t
	   intmax_t			  uintmax_t
	   intptr_t			  uintptr_t

     The following format specifiers are defined for the fprintf(3) and fscanf(3) families,
     respectively:

	   PRI?8			  SCN?8
	   PRI?16			  SCN?16
	   PRI?32			  SCN?32
	   PRI?64			  SCN?64
	   PRI?LEAST8			  SCN?LEAST8
	   PRI?LEAST16			  SCN?LEAST16
	   PRI?LEAST32			  SCN?LEAST32
	   PRI?LEAST64			  SCN?LEAST64
	   PRI?FAST8			  SCN?FAST8
	   PRI?FAST16			  SCN?FAST16
	   PRI?FAST32			  SCN?FAST32
	   PRI?FAST64			  SCN?FAST64
	   PRI?MAX			  SCN?MAX
	   PRI?PTR			  SCN?PTR

     The available conversion specifiers, ``?'' in above, are d and i for signed integers and o,
     u, x, and X for unsigned integers.  The X is not available for the fscanf(3) family.  With-
     out the length modifier these would correspond with %d, %i, %o, %u, %x, and %X, respec-
     tively.

EXAMPLES
     The following example demonstrates typical usage:

	   uint64_t i = 123;

	   ...

	   (void)printf("i = %"PRIu64"\n", i);

SEE ALSO
     printf(3), scanf(3), stdint(3)

STANDARDS
     The <inttypes.h> header conforms to ISO/IEC 9899:1999 (``ISO C99'') and IEEE Std 1003.1-2001
     (``POSIX.1'').

HISTORY
     The <inttypes.h> header was first introduced in NetBSD 1.6.

BSD					  March 21, 2010				      BSD


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