Standard C Libraries
va_end
Description:
Include:
Prototype:
Ends the use of ap .
<stdarg.h>
#define va_end(va_list ap )
Argument:
ap
pointer to list of arguments
Remarks:
Example:
va_start
Description:
Include:
Prototype:
After a call to va_end , the argument list pointer ap is considered to be
invalid. Further calls to va_arg should not be made until the next
va_start . In the 16-bit compiler, va_end does nothing, so this call is
not necessary but should be used for readability and portability.
See va_arg .
Sets the argument pointer ap to first optional argument in the
variable-length argument list
<stdarg.h>
#define va_start(va_list ap , last_arg )
Argument:
Example:
ap
last_arg
See va_arg .
pointer to list of arguments
last named argument before the optional arguments
2.12
<STDDEF.H> COMMON DEFINITIONS
The header file stddef.h consists of several types and macros that are of general use
in programs.
ptrdiff_t
Description:
Include:
size_t
Description:
Include:
wchar_t
Description:
Include:
NULL
Description:
Include:
? 2008 Microchip Technology Inc.
The type of the result of subtracting two pointers.
<stddef.h>
The type of the result of the sizeof operator.
<stddef.h>
A type that holds a wide character value.
<stddef.h>
The value of a null pointer constant.
<stddef.h>
DS51456E-page 41
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