Zilog Z8F0130 - Manual (Page 501)

UM013037-1212 vprintf
Zilog Developer Studio II – Z8 Encore!
User Manual
477
Each call to f1 has in scope the definition of the function of a declaration such as void
f1(int, ...);
vprintf
Equivalent to printf , with the variable argument list replaced by arg, which has been ini-
tialized by the va_start macro (and possibly subsequent va_arg calls). The vprintf
function does not invoke the va_end function.
Synopsis
#include

#include

int vprintf(char *format, va_list arg);
Returns
The number of characters transmitted or a negative value if an output error occurred.
Example
va_list va;

/* initialize the variable argument va here */

vprintf("%d %d %d",va)
vsprintf
Equivalent to sprintf , with the variable argument list replaced by arg, which has been
initialized by the va_start macro (and possibly subsequent va_arg calls). The
vsprintf function does not invoke the va_end function.
Synopsis
#include

#include

int vsprintf(char *s, char *format, va_list arg);
Returns
The number of characters written in the array, not counting the terminating null character.
Example
va_list va;

char buf[80];

/*initialize the variable argument va here*/

vsprint("%d %d %d",va);