ref: c3cfd06564ab868d1e78bf5fe8fe6fac07202de9
dir: /sys/src/libc/fmt/seprint.c/
#include <u.h>
#include <libc.h>
char*
seprint(char *buf, char *e, char *fmt, ...)
{
	char *p;
	va_list args;
	va_start(args, fmt);
	p = vseprint(buf, e, fmt, args);
	va_end(args);
	return p;
}