ref: 7d2ec9b8dfb18ee013cf27263bb6fe77d72f0f9c
dir: /libc/vseprint.c/
#include <u.h> #include <libc.h> #include "fmtdef.h" char* vseprint(char *buf, char *e, char *fmt, va_list args) { Fmt f; if(e <= buf) return nil; f.runes = 0; f.start = buf; f.to = buf; f.stop = e - 1; f.flush = 0; f.farg = nil; f.nfmt = 0; VA_COPY(f.args,args); dofmt(&f, fmt); VA_END(f.args); *(char*)f.to = '\0'; return (char*)f.to; }