osx man page for usprintf

usprintf(3alleg4)						  Allegro manual						 usprintf(3alleg4)

NAME
       usprintf - Writes formatted data into a buffer. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int usprintf(char *buf, const char *format, ...);

DESCRIPTION
       This  function  writes  formatted data into the output buffer. A NULL character is written to mark the end of the string. You should try to
       avoid this function because it is very easy to overflow the destination buffer.	Use uszprintf instead.

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

SEE ALSO
       uconvert(3alleg4), uszprintf(3alleg4), uvsprintf(3alleg4), exkeys(3alleg4)

Allegro 							   version 4.4.2						 usprintf(3alleg4)