#include <9pm/u.h> #include <9pm/libc.h> #define SIZE 4096 extern int printcol; int sprint(char *buf, char *fmt, ...) { char *out; va_list arg; int scol; scol = printcol; va_start(arg, fmt); out = doprint(buf, buf+SIZE, fmt, arg); va_end(arg); printcol = scol; return out-buf; }