one way is to use
sscanf
like,
char text[] = "Dom 69.5 1.80";
sscanf(text,"%s %lf %lf",&str, &d1, &d1);
or
strtok like,
char stringa[] = "Dom 69.5 1.80";
char seps[] = " ,\t\n";
token = strtok( stringa, seps );
printf( " %s\n", token );
token = strtok( NULL, seps );
double d1 = strtod(token, NULL);
printf( " %lf", d2);
token = strtok( NULL, seps );
double d2 = strtod(token, NULL);
printf( " %lf", d1);