ref: 5d7e9bee3ce75cce5727c0283a192b344800cc07
dir: /sys/src/ape/lib/ap/stdio/snprintf.c/
/* * pANS stdio -- sprintf */ #include "iolib.h" int snprintf(char *buf, size_t nbuf, const char *fmt, ...){ int n; va_list args; FILE *f=_IO_sopenw(); if(f==NULL) return 0; setvbuf(f, buf, _IOFBF, nbuf); va_start(args, fmt); n=vfprintf(f, fmt, args); va_end(args); _IO_sclose(f); return n; }