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#ifndef VARIABLE_H_
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#define VARIABLE_H_
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#include <stdint.h>
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typedef struct {
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uint8_t used :1;
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uint8_t fromc :1;
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uint8_t valtype :4;
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union {
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float f;
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uint32_t p;
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} value;
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} variable;
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enum valtype {
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STRING = 0,
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NUMBER,
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FUNC,
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EXPR
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};
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variable *make_varn(variable *v, float value);
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variable *make_vars(variable *v, const char *s);
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variable *make_varf(variable *v, uint8_t fromc, uint32_t func);
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variable *make_vare(variable *v, const char *e);
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int try_number(variable *v, const char *text);
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int try_variable(char **name, const char *text);
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#endif // VARIABLE_H_
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