ref: 4a120a381652668b7eb9313d9b8ca1835ddccb91
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; }