1 #include "libc.h"
2 #include "stdio_impl.h"
3 
do_read(FILE * f,unsigned char * buf,size_t len)4 static size_t do_read(FILE* f, unsigned char* buf, size_t len) {
5     return __string_read(f, buf, len);
6 }
7 
vsscanf(const char * restrict s,const char * restrict fmt,va_list ap)8 int 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