ref: 60cbbb123b106f7f31495514326a2b0bbcb0d75d
dir: /sys/src/libstdio/sprintf.c/
/* * pANS stdio -- sprintf */ #include "iolib.h" int sprintf(char *buf, const char *fmt, ...){ int n; va_list args; FILE *f=sopenw(); if(f==NULL) return 0; setvbuf(f, buf, _IOFBF, 100000); va_start(args, fmt); n=vfprintf(f, fmt, args); va_end(args); sclose(f); return n; }