uvsprintf(3alleg4) [plan9 man page]

uvsprintf(3alleg4)						  Allegro manual						uvsprintf(3alleg4)

NAME

       uvsprintf - Writes formatted data into a buffer, using variable arguments. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       int uvsprintf(char *buf, const char *format, va_list args);

DESCRIPTION

       This  is  like usprintf(), but you pass the variable argument list directly, instead of the arguments themselves. You can use this function
       to implement printf like functions, also called variadic functions. You should try to avoid this function because it is very easy to  over-
       flow the destination buffer. Use uvszprintf instead.

RETURN VALUE

       Returns the number of characters written, not including the terminating null character.

SEE ALSO

       uconvert(3alleg4), usprintf(3alleg4), uvszprintf(3alleg4)

Allegro 							   version 4.4.2						uvsprintf(3alleg4)

uvszprintf(3alleg4)						  Allegro manual					       uvszprintf(3alleg4)

NAME

       uvszprintf - Writes formatted data into a buffer, using size and variable arguments. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       int uvszprintf(char *buf, int size, const char *format, va_list args);

DESCRIPTION

       This is like uszprintf(), but you pass the variable argument list directly, instead of the arguments themselves. Example:

	  #include <stdarg.h>

	  void log_message(const char *format, ...)
	  {
	     char buffer[100];
	     va_list parameters;

	     va_start(parameters, format);
	     uvszprintf(buffer, sizeof(buffer), format, parameters);
	     va_end(parameters);

	     append_buffer_to_logfile(log_name, buffer);
	     send_buffer_to_other_networked_players(multicast_ip, buffer);
	     and_also_print_it_on_the_screen(cool_font, buffer);
	  }

	  void some_other_function(void)
	  {
	     log_message("Hello %s, are you %d years old?
", "Dave", 25);
	  }

RETURN VALUE

       Returns	the  number of characters that would have been written without eventual truncation (like with uvsprintf), not including the termi-
       nating null character.

SEE ALSO

       uconvert(3alleg4), uszprintf(3alleg4), uvsprintf(3alleg4)

Allegro 							   version 4.4.2					       uvszprintf(3alleg4)