1 #include <sys/stat.h> 2 3 #include <u.h> 4 #include <libc.h> 5 #include <draw.h> 6 7 vlong 8 _drawflength(int fd) 9 { 10 struct stat s; 11 12 if(fstat(fd, &s) < 0) 13 return -1; 14 return s.st_size; 15 } 16