ref: 1a40bdeb843042a66d913e8fbf15fad4bf3a5875
dir: /sys/src/libstdio/fprintf.c/
/* * pANS stdio -- fprintf */ #include "iolib.h" int fprintf(FILE *f, const char *fmt, ...){ int n; va_list args; va_start(args, fmt); n=vfprintf(f, fmt, args); va_end(args); return n; }