ref: 5f42bde60275e9a0c3d317ee1e052e1aefdcdb19
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; }