1#include "libc.h" 2#include "stdio_impl.h" 3 4static size_t do_read(FILE* f, unsigned char* buf, size_t len) { 5 return __string_read(f, buf, len); 6} 7 8int vsscanf(const char* restrict s, const char* restrict fmt, va_list ap) { 9 FILE f = {.buf = (void*)s, .cookie = (void*)s, .read = do_read, .lock = -1}; 10 return vfscanf(&f, fmt, ap); 11} 12