Synopsis:

       ascii_val=ctoi(char_str)

Arguments:

       char_str - The character to convert to an ASCII value.

Description:   This function returns the ASCII value of the first character of the string, char_str.

For example:

       // This will return 65

       ascii_val=ctoi("A");

       // This will return 48

       ascii_val=ctoi("0123");

Returns:   Returns the ASCII value of the first character of char_str.