int_to_unsigned pragma

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#pragma int_to_unsigned name

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The pragma is supported because it may be contained in older C sources, typically those ported from a UNIX system. It only works in K&R mode and instructs the compiler to treat a function name with the result type unsigned as if its result type were still int.

The declaration of the function name with the result type unsigned must appear before the #pragma directive, e.g.:

unsigned int function(const char*);

#pragma int_to_unsigned function