Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/libstdio/sscanf.c
/* * pANS stdio -- sscanf */ #include "iolib.h" int sscanf(const char *s, const char *fmt, ...){ int n; FILE *f=sopenr(s); va_list args; va_start(args, fmt); n=vfscanf(f, fmt, args); va_end(args); sclose(f); return n; }