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#ifndef KNOB_USER_H
#define KNOB_USER_H
#include <stdint.h>
void tell_user_sz(const char *sz);
void tell_user_n(uint32_t n);
//return value and max_length both include null terminator
uint32_t ask_user_line_sz(char *sz, uint32_t max_length);
#endif
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