==== fstrval ====
Evaluate a string to a float value
=== Description ===
Float:fstrval( const str[], index=0, limit=15 )
Evaluate the string, starting at the ''index'' position for a float value
Max ''limit'' characters will be evaluated, starting at the ''index'' position.
=== Parameters ===
| ''str'' | source string |
| ''index'' | start position in ''str'' |
=== Return value ===
Returns the value as a float
=== Example usage ===
new s{20};
new Float:x;
strcopy(s, "Hello3.14");
x = fstrval(s, 5);
// x now equals 3.14
NOTE: requires firmware 24020101 or newer.