NXC  Version 1.2.1 r5
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int toupper ( int  c)
inline

Convert lowercase letter to uppercase.

Converts parameter c to its uppercase equivalent if c is a lowercase letter and has an uppercase equivalent. If no such conversion is possible, the value returned is c unchanged.

Parameters
cLowercase letter character to be converted.
Returns
The uppercase equivalent to c, if such value exists, or c (unchanged) otherwise..
Examples:
ex_ctype.nxc, and ex_toupper.nxc.