Write getfloat, the floating-point analog of getint. What type does getfloat return as its function value?
A number is an optional sign, then digits with at most one decimal point, with at least one digit. Use getfloat in a program that prints each number in its input with printf("%g\n", ...), including one right at the end of the input, and skips any character that doesn't start a number.
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